The ISL8274M and ZL9024M from Renesas are high-efficiency fully encapsulated digital DC/DC PMBus power modules. These modules leverage Renesas’ patented ChargeMode™ control architecture, which provides the highest efficiencies with better than 90% on most conversions. The power modules also provide a single clock cycle fast transient response to output current load steps common in FPGAs and DSPs that process power bursts. Their compensation-free design keeps the modules stable regardless of output capacitor changes due to temperature, variation, or aging. Eliminating the need for an external discrete compensation network also saves board space and additional BOM cost. The ISL8274M supports input voltages from 4.5 V to 14 V; while the ZL9024M accepts input voltages from 2.75 V to 4 V. Both modules offer adjustable output voltages as low as 0.6 V.
The encapsulated modules use Renesas’ proprietary high-density array (HDA) package, which offers unmatched electrical and thermal performance through a single-layer conductive substrate that reduces lead inductance and dissipates heat primarily through the system board. The HDA’s copper lead-frame structure allows the modules to operate at full load over a wide temperature range with no airflow or heatsinks. The ISL8274M and ZL9024M also provide several protection features that ensure safe operations under abnormal operating conditions, further enhancing their robustness and reliability. The ISL8274M and ZL9024M expand Renesas’ portfolio of encapsulated digital power modules and provides customers the first digital dual 30 A power supply and first digital 33 A power supply.
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Applications |
- Complete digital switch mode power supply
- VIN range: 2.75 V to 4 V
- Programmable VOUT range: 0.6 V to 1.5 V
- PMBus compliant I²C communication interface
- Programmable VOUT, margining, UV/OV, IOUT limit, soft-start/stop, sequencing, and external synchronization
- Monitor: VIN, VOUT, IOUT, temperature, duty cycle, switching frequency, and faults
- ChargeMode control architecture
- ±1.2% VOUT accuracy over line, load, and temperature
- Power-good indicator
- Overtemperature protection
- Internal non-volatile memory and fault logging
- PowerNavigator™ supported
- Patented thermally enhanced HDA package
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- Server, telecom, storage, and datacom
- Industrial/ATE and networking equipment
- General purpose power for ASIC, FPGA, DSP, and memory
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The ISL8274M and ZL9024M from Renesas are high-efficiency fully encapsulated digital DC/DC PMBus power modules. These modules leverage Renesas’ patented ChargeMode™ control architecture, which provides the highest efficiencies with better than 90% on most conversions. The power modules also provide a single clock cycle fast transient response to output current load steps common in FPGAs and DSPs that process power bursts. Their compensation-free design keeps the modules stable regardless of output capacitor changes due to temperature, variation, or aging. Eliminating the need for an external discrete compensation network also saves board space and additional BOM cost. The ISL8274M supports input voltages from 4.5 V to 14 V; while the ZL9024M accepts input voltages from 2.75 V to 4 V. Both modules offer adjustable output voltages as low as 0.6 V.
United Kingdom