Power Management Handheld,Portable Guide Datasheet by STMicroelectronics

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Power management
for handheld and portable
Content
Introduction ............................................................................... 3
Display power supply ........................................................... 4
Battery management ............................................................. 6
Point of load ............................................................................. 10
LDOs .......................................................................................... 11
3
Introduction
TARGET APPLICATIONS
Smartphones and other slim-line
electronics
Handheld consoles
Smart watches
Wearables and fitness devices
Tablet PCs
Medical portable equipment
High integration combined with a broad IP portfolio, a complete system
competence and state-of-the-art technology
ST is a leading supplier of power management and mixed-signal ICs for handheld and wearable
applications, offering a wide range of products from simple power management ICs up to highly-
integrated devices that mix power management blocks with advanced analog and digital functionality.
4
KEY FEATURES
Advanced silicon-on-insulator
manufacturing technology
Synchronous rectification
PFM/PWM operation for best-in-class
efficiency (up to 93%)
High frequency (1.6 MHz) for the
smallest application areas
High output voltage accuracy
Low output ripple
High immunity to GSM noise
User-programmable negative
output voltage
Dynamic transistor control to optimize
efficiency under any load condition
KEY BENEFITS
Increased battery lifetime
Simplified power-supply circuitry
Flicker-free displays
Meet needs for growing AMOLED
panel sizes
Improved picture quality
Increased ruggedness and reliability
Display power supply
ST supplies over 70% of the world’s ICs used to power AMOLED displays that enable today’s advanced
handheld devices to deliver high-quality web and video experiences on the move.
ST’s dedicated AMOLED power ICs add value to new designs by simplifying power-supply circuitry.
DC-DC converters are produced using ST’s innovative BCD process technology, which ensures
outstanding energy efficiency and results in longer battery life. In addition, high immunity to cellphone
communication noise keeps displays consistent and flicker-free.
HIGHLIGHTS
STOD32A
The STOD32A, our most recent and innovative chip, is particularly well-suited for battery-operated products with display panels up to 6 inches.
Thanks to its high efficiency and very low ripple levels, this triple DC-DC converter satisfies the continuous demand for energy saving, noise
immunity in smaller application areas.
On a single chip, the STOD32A integrates a 300 mA step-up and an inverting DC-DC converter needed to generate the positive and negative
supplies to power the AMOLED display, as well as an auxiliary step-up converter to provide the supply voltage for the source driver IC.
STOD32W
The STOD32W has the same architecture of the STOD32A, optimizing performance (system efficiency, noise immunity, etc...) in a lower output
current range (100 mA max.) with a smaller package size (12-bump chip-scale package) thus making this device perfectly suitable for wearable
devices with displays up to 3 inches.
Iout150 mA 170 mA 200 mA 250 mA 300 mA
Boost + Inverter
+ Aux boost
Boost + Inverter
Boost + LDO
+ Inverter
Boost + LDO
STOD32W
STOD03B
STOD13AS STOD13CM
STOD1317B
STOD32A
STOD30
5
Part number Package
(mm) Topology Input voltage
Step-up
output
voltage
Inverting
output
voltage
Aux. output
voltage
Maximum
efficiency
Accuracy
positive output
voltage
Accuracy negative
output voltage
STOD03B VFDFPN 12L
3 x 3 x 0.6
Step-up
and inverting 2.5 to 4.8 V 4.6 V -2.4 to -5.4 V - 87% ±0.8% ±1.5%
STOD13AS VFDFPN 12L
3 x 3 x 0.6
Step-up
and inverting 2.5 to 4.5 V 4.6 V -2.4 to -6.4 V - 89% ±0.6% ±1.4%
STOD13CM VFDFPN 12L
3 x 3 x 0.6
Step-up
and inverting 2.5 to 4.5 V 4.6 V -1.4 to -4.4 V - 89% ±0.5% ±0.8%
STOD1317B VFDFPN 10L
3 x 3 x 0.8
Step-up
and LDO 2.6 to 4.8 V 6.0 to 13.0 V NA - 85% ±1% NA
STOD30 QFN 18L
3.5 x 3.5 x 0.6
Two step up and
one inverting 2.5 to 4.5 V 4.6 V -1.4 to -5.4V 6.7 to 7.6 V 90% ±0.5% ±0.8%
STOD32A VFQFPN 16L
3 x 3 x 0.55 Boost + Inverting 2.9 to 4.5 V 4.6 V -0.8 to -4.8 V 5.8 to 7.9 V 93% ±0.5% ±1%
STOD32W
Flip-Chip
1.6 x 1.7
12 bumps
Boost + Inverting 2.9 to 4.5 V 4.6 V -0.8 to -4.6 V 6.6 to 7.6 V 92% ±0.5% ±1%
DEVICE SUMMARY
IIIIII
BATTERY CHARGER HIGHLIGHTS
STBC02
The STBC02 is a highly integrated power
management IC, embedding a linear battery
charger, a 150 mA LDO, 2 SPDT load
switches, a smart reset/watchdog block
and a protection circuit module (PCM) to
prevent the battery from being damaged
under fault conditions. The STBC02 uses a
CC/CV algorithm to charge the battery; the
fast charge and the pre-charge current can
be both independently programmed using
dedicated resistors. The STBC02 draws less
than 10 nA from the connected battery in shipping mode conditions, maximizing the battery life during shelf life.
6
KEY FEATURES
Linear battery charger
Charge current programmable
from 1 to 450 mA
Power path
Watchdog/smart reset
Shipping mode
KEY BENEFITS
Compact size, no inductor cost
Tailored charge current according to
battery capacity
Longer battery life
More robust software platform stability
Very long shelf life
Max. VIN
5 V 12 V 16.5 V 24 V 32 V
100 mA
200 mA
450 mA
650 mA
800 mA
1 A
1.2 A
4 A
8 A
Max. system charging current
16 A
STC3115
STC3117
STWLC03
STWLC04
STBCFG01
4.85 V LDO
PM6613N
(ext. MOSFET)
L6924D
L6924U
STBC03
3.0 V LDO
STBC02
3.0, 3.1, 3.3 V LDO
STNS01
3.1 V LDO
4.5 V
STC4054
Linear battery charger Switching battery charger Wireless charger receiver Fuel gauge IC
Battery management
ST’s battery management devices provide high efficiency, high power density and low standby current
consumption. Our product portfolio includes complete solutions for battery chargers: switching chargers
that offer charge currents up to 1.2 A, integrating in the same chip a fuel gauge function; linear chargers
with charge currents from 1 mA to 1 A and wireless power ICs compliant with PMA and Qi standards.
By combining wireless power technology with high efficiency and smart charging, ST creates easier,
faster, innovative ways to power up smartphones, tablets and other mobile devices.
ST’s portfolio also includes battery fuel gauge ICs that can be located in the battery pack or in the
handheld device and integrate functions to monitor the battery voltage, current and temperature.
7
STBCFG01
The STBCFG01 is a switching battery charger IC integrating the functions needed to charge single-cell Li-ion batteries, monitor the battery’s
state-of-charge and generate 5 V to supply USB OTG bus-powered devices. The IC also integrates an LDO regulator to support system boot in
dead battery conditions.
Battery charge indicators, or fuel gauges, have become essential for managing devices such as smartphones, tablets and back-up battery
packs. Accurate time-remaining predictions enhance the user’s experience, and can be critical in certain types of portable electronics such as
medical devices.
The STBCFG01 uses accurate measurements of the battery voltage to estimate the battery’s state-of-charge (SOC).
FEATURES
Single chip solution: battery charger + fuel gauge + OTG + LDO
Charge current up to 1.2 A
Instant-on operation: system loads powered with deeply discharged or dead batteries
Few external components
BENEFITS
High space saving thanks to integration
Reduced BOM cost: current sensing
resistor not needed
STNS01
The STNS01 is a linear battery management
IC integrating power path, battery protection,
LDO and shipping mode functionality.
Shipping mode reduces battery consumption
during shelf life. Power path is suitable
to start up the system in dead battery
conditions.
FEATURES
Programmable charge current
up to 200 mA
Integrated 3.1 V LDO regulator
Automatic power path management
Embedded protection circuit
Very low battery leackage current
(4.5 µA typ.)
BENEFITS
Space saving thanks to the integration
of LDO, battery protection and thin
DFN12 3x3 package
Overall system reliability improvement
due to integration
Allows user a wide choice
of the battery
DEVICE SUMMARY
Part number Charge current (A) Charge voltage (V) Input voltage (V) VINAMR (V) IPRE (mA) Package Other functions
STBCFG01 1.2 3.52 to 4.78 3.6 to 6.3 (5 typ) 20 450 or 100
Itrickle = 45
CSP 25
2.3 x 2.2 mm2
500 mA OTG
4.85 V LDO
L6924D/U Prog up to 1 4.1 or 4.2 2.5 to 12 15 Prog by R VFQFPN 16
3 x 3 x 1.0 NTC, timer, flags
STC4054 Prog up to 0.8 4.2 4.25 to 6.25 7 ICHG/10 TSOT23-5L 1 flag
STNS01 15 to 500 mA 4.2 (up to 4.45 with
external resistor) 4.55 to 5.4 16 ICHG/10 VFDFPN 12
3 x 3 x 0.75
3.1 V LDO, power path, LDO,
flags, enable, NTC
STBC02 1 to 450 mA 4.2 to 4.45 V 4.55 to 5.4 V 16 1 to 450 mA Flip-chip30
3.0, 3.1, 3.3 V LDO,
power-path, NTC, smart-reset,
watchdog, S-wire
STBC03 1 to 650 mA 4.2 to 4.45 V 4.5 to 5.4 V 16 1 to 650 mA Flip-chip30 3 V LDO, power path,
NTC, Sw.Matrix, Dig.Enables
8
STWBC transmitter highlights
STWBC is a family of products developed
to support the needs of Wireless Charging
Transmitters. It includes transmitters for
several types of applications ranging from
wearables, mobile phones, tablets and
automotive.
STWBC provides consumer with Qi certified
solutions, matching the requirements of
safety and interoperability of the most
popular wireless charging standard.
Additionally, STWBC embeds
STMicroelectronics years of experience in
power conversion ICs and thus offers 3 mw
minimal stand-by consumption (A11
topology), superior Foreign Object Detection
and an easy-to-use graphical interface for
monitoring the application behaviour, debug
and real-time measurements.
All STWBC products are Flash-based. In
combination with a flexible, API-based
firmware, this allows the user to include
additional software features as well as fine
tune each application parameters even
during the production line.
Each product comprises an IC, an evaluation
board, firmware, graphical interface and
support documentation.
WIRELESS CHARGING
In the coming years, wireless charging applications will become more and more common for a wide range of applications starting with today's
smartphone charging. ST already offers dedicated and general-purpose wireless ICs for Transmitter (Tx) and Receiver (Rx) sides able to support
Qi/PMA market standards and the main topologies: STWBC-WA (Tx) and STWLC04 (Rx) for wearables, STWBC (Tx) and STWLC03 (Rx) for other
mobile applications. The use of new low-voltage STripFET MOSFETs guarantees high-efficiency converters. To reduce the time to market, a
complete wireless kit (Tx + Rx) for wearables and general-purpose wireless evaluation boards are available.
MAIN EVALUATION BOARDS
STEVAL-ISB027V1
Qi A11 Wireless charger
transmitter based on STWBC
STEVAL-ISB036V1
Wireless charger receiver
based on STWLC03
STEVAL-ISB038V1
Wireless charging reference design kit for
wearables based on STWBC-WA and STWLC04
VinDC Battery
DC-AC
Power stage Primary Coil Secondary Coil
Wireless power
transmitter, MCU
Rectification V/I regulation
Wireless power
receiver, MCU
Power
Communication
Transmitter Receiver
BATTERY MANAGEMENT IC
Part number Application Ptot (W) Coils Topology Vinput (V)
STWBC Consumer 5 W 1Qi A11 5
STWBC-WA Wearable 1 W, 2 W 1 *Not applicable 5
STWBC-MC Automotive 5 W 3Qi A34 5-16
ASTWBC
STWBC-MP Consumer 15 W 1 *In progess 5-12
DEVICE SUMMARY
9
FEATURES
Boost power transfers
Adapt the transmitted power to actual load conditions
Enables safe operation with foreign object detection (FOD)
Embedded 32-bit core, easily accessible via the I2C interface
Certification with the leading Qi and PMA standards
BENEFITS
Ideal for a wide application spectrum
from low- to medium-power and
different Li-ion and LiPO battery
chemistries
Support direct battery charging
Customization and superior diagnostics
STWLC receivers highlights
STWLC is a family of products developed to support the needs of Wireless Charging Receivers.
It includes receivers for several types of applications ranging from wearables, mobile phones, and tablets.
The STWL provides consumer Wireless Power Consortium (WPC) and Power Matter Alliance (PMA) certification.
The STWLC03/STWLC04 integrate a high-efficiency synchronous full-bridge rectifier and a high efficiency programmable buck converter,
it outputs a stable voltage in the 3.3 to 7 V range (programmable via I2C) for STWLC03 and fixed at 5 V for STWLC04, providing as well a
simplified CC-CV charging feature for single-cell Li-Polymer/Li-Ion batteries and an input current limiter.
The STWLC03 can be supplied from a Qi- or PMA-compliant wireless power transmitter (e.g. STWBC) or from an external USB supply or adapter.
The device includes a Foreign Object Detection (FOD) function according to wireless power standards; preventing over-heating of the base
station when a metallic foreign object is detected. The device includes on-chip over-temperature and over-voltage protection and NTC-based coil
over-temperature protection features. The chip-scale package is suitable for very compact applications.
BATTERY MONITORING ICs
STC3115/STC3117
ST’s battery fuel gauge ICs can be located
in the battery pack or in the handheld device
and integrate functions to monitor the battery
voltage, current and temperature. Using a
built-in Coulomb counter, these fuel gauge
ICs calculate battery charge and store the
data in 16-bit register resolution for retrieval
by the system controller. Access is via an
industry-standard I2C interface, enabling the
controller to create an accurate graphical
representation of the remaining
battery-operating time. Battery-monitoring
fuel gauge ICs combine a small footprint
with outstanding measurement accuracy
and extremely low power consumption to
increase battery runtime and lifespan in mobile phones, multimedia players, digital cameras, and other space-constrained portable devices.
FEATURES
OptimGauge™ algorithm
for STC3115
OptimGauge+™ algorithm
for STC3117
Coulomb counter and voltage gas
gauge operations
Programmable low battery alarm
Internal temperature sensor
BENEFITS
3% accuracy of battery state of charge
no need for shunt resistor
Accurate estimation of battery state of
charge at power-up
Reliable battery swap detection
SoH and impedance tracking with
OptimGauge+ algorithm (ST IP)
Charger enable and system reset
control for accurate OCV reading
Minimum form factor
DEVICE SUMMARY
Part number AC input voltage (max.) Output leakage current (direct charging mode) (max.) Output voltage Output power User GPIOs Package
STWLC03 32 Vpp 1 µA Programmable
5 V ~ 7.5 V
5 W (Qi)
7.5 W (PMA) 4 Flip-chip77
STWLC04 32 Vpp 1 µA Programmable
5 V ~ 7.5 V 1 W 4 Flip-chip77
DEVICE SUMMARY
Part number Charging sensing
voltage range
Charging
sensing resistor
Typical supply
current (Icc)
Supply voltage (VDD) Comment Package
Min Max
STC3115 ±40 mV 5 to 50 mΩ 0.045 µA 2.7 V 4.5 V OptimGauge™ algorithm 1.4 x 2.0 mm 10-bump CSP
2.0 x 3.0 mm DFN10
STC3117 ±40 mV 5 to 50 mΩ 0.04 µA 2.7 V 4.5 V
Patented OptimGauge™
algorithm for accurate
battery capacity calculation
1.5 x 1.6 mm 9-bump CSP
10
Point of load
STBB3
This 2 A buck-boost converter with power-saving mode targets low quiescent current applications (<45 μA) at light loads and high current loads
up to 2.4 A. Available in a miniature 20-bump flip-chip (2.5 mm x 1.75 mm) package.
HIGHLIGHTS
ST1PS01
This 400 mA NanoQuiescent™ buck converter with deep power saving mode is designed for wearables and applications requiring high
efficiency at light loads and very good transient response: 2 MHz (max.) PWM control loop. It provides digital VOUT selection and power good
output (PGO) monitoring. Available in a thin 8-bump flip-chip (1.4 mm x 1.1 mm) package.
Part number Maximum
current (mA)
Quiescent current
@ no load (µA)
VIN range
(V) Characteristics Package Package
dimensions (mm)
Max. thickness
(mm)
ST1S15 500 40 2.5 to 5.5 Low quiescent, 6 MHz Flipchip6 1.19 x 0.935 0.60
TDFN6L 2.0 x 2.0 0.60
ST1S12 700 500 2.3 to 5.5 Low quiescent,1.7 MHz TSOT23-5L 2.9 x 2.8 1.10
ST8R00 1000 10 mA 4.0 to 6.0 Low quiescent, 1.2 MHz QFN8L 4.0 x 4.0 1.00
L6920 250, 350, 500 10 0.6 to 5.0 Low VIN start-up, 1 MHz MSOP8L 4.9 x 3.0 1.10
STBB1A 1000 200 2.2 to 5.5 Low quiescent,1.5 MHz QFN10L 3.0 x 3.0 1.00
STBB2J 1800 35 2.2 to 5.5 Low quiescent, 3 MHz Flipchip20 2.1 x 1.8 0.60
STBB3JR 2100 35 1.8 to 5.5 Low quiescent, 2.2 MHz Flipchip20 2.5 x 1.75 0.60
STBB3JCC 2100 35 1.8 to 5.5 Const. current HB-WLED Flipchip20 2.5 x 1.75 0.60
ST1PS01 400 0.5 2.2 to 5.5 NanoQuiescent, 2 MHz (max.) Flipchip8 1.41 x 1.11 0.60
DEVICE SUMMARY
ST’s DC-DC synchronous converters are designed for wearable and portable applications.
Buck, buck-boost and boost switching regulators provide low power consumption, high-efficiency power
conversion, and are available in very small packages from standard leadless plastic to flip-chip pure
bumped silicon. The switching frequency control loop guarantees high dynamic response with very small
inductor size. All products are optimized to work with Li-ion batteries, USB sources or the latest battery
chemistries.
Output current Full PWM control
Quiscent current
0.1 A
0.2 A
0.35 A
0.5 A
0.7 A
0.8 A
1 A
1.5 A
2 A
ST2S08
2 x 1.5 A
ST8R00
Up to 12 V
ST2S06
2 x 500 mA
STOD1812
Up to 20 V
< 0.5 µA 10 µA 100 µA 1 mA
L6920DC
L6920DB
ST1PS01
L6920DB ST1S15
STBB2J
STBB1A
ST1S12
ST1S09
ST1S06
STBB3JCC
STBB3JR
Buck converter Buck-boost converter Boost converter
11
ST offers a complete portfolio of high-performance low-dropout regulators with state-of-the-art figures on
the key merit parameters, all fitting into the smallest packages available. ST’s ultra-small,
high-performance LDOs are particularly suitable for the latest generation of portable devices.
Low-dropout regulators
(
LDOs
)
HIGHLIGHTS
LDLN025
250 mA LDO with ultra-low noise
(6.5 μVRMS) and very high PSRR
(80 dB @ 100 Hz, 60 dB @ 100 kHz).
Available in 4-bump CSP
(0.63 mm x 0.63 mm) and 4-lead DFN
(1 mm x 1 mm) packages.
LDBL20
200 mA LDO with very high PSRR (80 dB @ 1 kHz).
Available in a miniature ST STAMP™ (0.47 mm x 0.47 mm) package.
LD39130
300 mA LDO with automatic green mode for
ultra-low Iq (<1 µA) at low loads.
Available in 4-bump CSP
(0.69 mm x 0.69 mm) and 6-lead DFN
(1.2 mm x 1.3 mm) packages.
LD39020/LD39030
200/300 mA LDO with very high power
supply rejection ratio (PSRR) (80 dB @ 1 kHz)
and 0.5% precision.
Available in miniature 4-lead DFN
(1 mm x 1 mm and 0.8 mm x 0.8 mm)
packages.
Quiscent current (µA)
Package
dimensions
(mm)
0.47 x 0.47 0.7 x 0.7 0.8 x 0.8 1 x 1 1.2 x 1.3 2 x 2 3 x 3
≥1 µA
≥20 µA
>35 µA
LD39130
Ultra low lq
Green mode
CSP4 and DFN6
STLQ020
Ultra low lQ
CSP4 and
DFN6
LD39030SJ
Low noise
CSP4
LD39115J
Low noise
CSP4
LDLN025
Ultra now noise
CSP4 and DFN4
LD39030
High PSRR
DFN4
LD39015J
Low noise
CSP4
LD39020
HIGH PSRR
DFN4
LDK120
DFN6 and
SOT323-5L
LDBL20
High PSRR
0.47 x 0.47
ST STAMP™
STLQ015
SOT23-5L
LD39050
Ultra low drop
Low noise
LDCL015
Capless
SOT23
LDLN015
Ultra low noise
Very high PSRR
DFN6
LD59015
Low noise
High PSRR
SOT323-5L
LDL112
Reverse current
protection
DFN6
LDK130
DFN6 and
SOT323-5L
Max. output current 150 mA
Max. output current 300 mA
Max. output current 200 mA
Max. output current 500 mA
Max. output current 250 mA
Max. output current 1.2 A
© STMicroelectronics - March 2017 - Printed in United Kingdom - All rights reserved
The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies
All other names are the property of their respective owners
For more information on ST products and solutions, visit www.st.comOrder code: BRPM0317
Part number Maximum current (mA) Package Package dimensions (mm) Characteristics Quiescent current @ no load (µA)
LD39015J 150 CSP 4-bump 1.1 x 1.1 Low noise 18
LD39115J 150 CSP 4-bump 0.8 x 0.8 Low noise 20
LDLN015 150 DFN6 2 x 2 Ultra-low noise 35
LD59015 150 SOT323-5L 2 x 2 High PSRR 31
LDCL015 150 SOT23-5L 3 x 3 Capacitor-less 140
STLQ015 150 SOT23-5L 3 x 3 Ultra-low Iq 1
STLQ020 200 CSP 4-bump
DFN6
0.8 x 0.8
2 x 2 Ultra-low Iq 0.4
LD39020 200 DFN4 0.8 x 0.8
1 x 1 High PSRR 20
LDBL20 200 ST STAMP™ 0.47 x 0.47 High PSRR 20
LDK120 200 SOT323-5L
DFN6
2 x 2
1.2 x 1.3 Cost-effective 30
LDLN025 250 CSP 4-bump
DFN4
0.63 x 0.63
1 x 1 Ultra-low noise 12
LDK130 300 SOT323-5L
DFN6
2 x 2
1.2 x 1.3 Cost-effective 30
LD39030 300 DFN4 0.8 x 0.8
1 x 1 High PSRR 20
LD39030SJ 300 CSP 4-bump 0.8 x 0.8 Low noise 20
LD39130 300 CSP 4-bump
DFN6
0.69 x 0.69
1.2 x 1.3
Green mode
Ultra-low Iq <1
LD39050 500 DFN6 2 x 2
3 x 3
Ultra-low drop
and low noise 20
LDL112 1200 DFN6 2 x 2
3 x 3
Ultra-low drop
and low Iq 35
DEVICE SUMMARY
The new LDBL20 manages 200 mA in 0.22 mm2
ST’s LDBL20 series of low-dropout voltage regulators enables a new era in the design of
ultra-compact linear points of load. The LDBL20 provides up to 200 mA of current, with an
input voltage ranging from 1.5 to 5.5 V.
Thanks to the new miniature ST STAMP™ chip scale package, the LDBL20 allows designing a
PCB footprint that is less than half the size of competing 200 mA LDO solutions with the same
performance.
The LDBL20 is a very versatile linear power supply solution for space-constrained handheld
applications such as smartphones, tablets, wearables and solid-state disks.
ST STAMP™: a step further in miniaturization
ST STAMP™ (ST Small Thickness Advanced Micro Package) is ST’s trademark for our new
unique and innovative bumpless CSP package.
Compared to the smallest DFN plastic packages and flip-chips, the ST STAMP™ solution
provides similar package performance and reliability, reducing the total heigth to 200 μm or
less, with a smaller footprint.
ST STAMP™
LDBL20
ST STAMP™
0.47 x 0.47 mm
CSP4
0.69 x 0.69 mm
DFN4
1 x 1 mm

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