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AOZ5516RQI
DrMOS + Smart Power Stages (SPS)
Status: New
The AOZ5516RQI is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The High-Side MOSFET is optimized to achieve low capacitance and gate charge for fast switching with low duty cycle operation. The Low-Side MOSFET has ultra low ON resistance to minimize conduction loss. The compact 5mm x 5mm QFN package is optimally chosen and designed to minimize parasitic inductance for minimal EMI signature.
Parametrics
Status | New |
Power Stage Type | DrMOS |
Package | QFN5x5A-31L |
Min Vin (V) | 4.75 |
Max Vin (V) | 25 |
Abs Max Vin (V) | 30 |
Max DC I (A) | 55 |
Max Peak I (A) | 120 |
PWM Input (V) | 3 and 5 |
Tri-State Range (V) | 1.4 - 2.1 |
Max Frequency (MHz) | 2 |
Shutdown Control | FCCM = TS, PWM = TS |
Enable Diode Emulation Mode | No |
Thermal Flag | No |
OCP (A) | No |
NCP (A) | No |
HSD | No |
Pre-OVP | No |
Parametrics
Status | New |
Power Stage Type | DrMOS |
Package | QFN5x5A-31L |
Min Vin (V) | 4.75 |
Max Vin (V) | 25 |
Abs Max Vin (V) | 30 |
Max DC I (A) | 55 |
Max Peak I (A) | 120 |
PWM Input (V) | 3 and 5 |
Tri-State Range (V) | 1.4 - 2.1 |
Max Frequency (MHz) | 2 |
Shutdown Control | FCCM = TS, PWM = TS |
Enable Diode Emulation Mode | No |
Thermal Flag | No |
OCP (A) | No |
NCP (A) | No |
HSD | No |
Pre-OVP | No |
Features
- 4.5V to 25V power supply range
- 4.5V to 5.5V driver supply range
- 55A continuous output current
- Up to 80A with 10ms on pulse
- Up to 120A with 10µ s on pulse - Up to 2MHz switching operation
- 3.3V and 5V PWM / Tri-State input compatible
- Under-Voltage Lockout protection
- FCCM pin control for Shutdown / CCM operation
- Standard 5mm x 5mm QFN-31L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ5516RQI Datasheet | Datasheets | 2026-01-28 | |
| AOZ5516RQI Marking | Markings | 2026-01-20 | |
| AOZ5516RQI Reliability Report | Reliability Reports | 2026-01-10 | |
| QFN5x5A_31L_EP3_S | Package | 2025-07-25 | |
| QFN5x5A_31L_EP3_S Tape & Reel | Tape & Reel | 2022-10-06 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN5x5A_31L_EP3_S | 5.0x5.0x0.75 | Tape and Reel |