DCDC Regulators
Wide Input Voltage Synchronous USB Buck Regulators with Remote Load Regulation
A8652-A8653
The A8652/53 provides tight load regulation over a wiring harness without remote sense lines, simplifying USB power delivery in automotive and industrial applications. Features integrated MOSFETs, adjustable switching frequency, and comprehensive protection.
Product Details
Product Details
Top Features
- Automotive AEC-Q100 qualified
- Cable and wiring drop compensation
- Dynamic Voltage correction with controller
- Integrated high-side and low-side switching MOSFETs
- Programmable Load Side Current Limit
- Maximized duty cycle for low dropout operation
- Operating input voltage range: 4.0 V to 36 V
- UVLO STOP threshold is at 2.6 VTYP
- Withstands surge voltages up to 40 V
- Continuous Loading: 2.6 A for A8653; 1.0 A for A8652
- Adjustable switching frequency (fSW): 100 kHz to 2.2 MHz
- Synchronization to external clock: 100 kHz to 2.2 MHz
- Frequency dithering for lower EMI signature
- External adjustable compensation network
- Stable with ceramic output capacitors
- Pre-bias startup compatible
- Power OK (POK) output
- Dynamic over voltage protection, cycle-by-cycle current limit, hiccup mode short circuit, and thermal protections
- Open-circuit and adjacent pin short-circuit tolerant
- Short-to-ground tolerant at every pin
- USB3 Charging capability: A8653 – 2.6 A
- USB2 capability: A8652 – 1 A
