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RFQ ListingPower Management ICs
ISL99390FRZ-TR5948 is a Renesas 90 A Smart Power Stage integrating the driver, high-side and low-side MOSFETs plus high-accuracy current and temperature monitors in a thermally enhanced 5 x 6 mm PQFN. It pairs with Renesas ISL68/69xxx digital multiphase controllers for CPU, GPU and ASIC core voltage rails.
ManufacturerRenesas Electronics
PackagePQFN 39-lead (LIP), 5.0 × 6.0 mm, 0.5 mm pitch, thermally enhanced
SeriesISL99390
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Smart power stage half-bridge with integrated driver, high-side/low-side MOSFETs and bootstrap for multiphase buck voltage regulators |
| Input Voltage | +3.0 V to +16 V input range; 3.3 V-compatible tri-state PWM input for Renesas DMP controllers and phase doublers |
| Output Voltage / Current | 90 A continuous output current class with ±3% current-monitor accuracy over line, load and temperature |
| Switching Frequency | Switching frequencies up to 1.25 MHz |
| Monitoring | Integrated current monitor plus temperature monitor (TOUT about 8 mV/degC) eliminating DCR sense networks |
| Protections | HFET overcurrent and shorted-HFET protection, Smart Reverse Overcurrent (SROCP), over-temperature and VCC UVLO with fault reporting |
| Temperature Grade | -40 °C to +85 °C |
| Package / Case | PQFN 39-lead (LIP), 5.0 × 6.0 mm, 0.5 mm pitch, thermally enhanced |
Power Features & Applications
- 90 A smart power stage in a compact 5 x 6 mm PQFN
- Integrated driver and MOSFETs simplify high-density VR designs
- Best-in-class current-sense accuracy of ±3% over conditions
- Eliminates DCR sensing networks and thermal compensation parts
- Comprehensive fault protection with tri-state PWM robustness
- Compatible with Renesas ISL68/69xxx controllers and ISL6617A doublers
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Frequently Asked Questions
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