The A8600 provides a complete power solution for car audio and infotainment systems, featuring four independent switching regulators, two high-side switches, BU/ACC voltage detectors, and a mute delay.
Product Details
Product Details
Top Features
- Four independent, high current switching regulators
- Adjustable 1.0 A/±1.5% always-on asynchronous buck regulator with an integrated 150 mΩ MOSFET (SW1)
- Employs PFM to deliver 3.3 V/40 μA while drawing less than 50 μA from VIN of 12 V
- Operates down to at least 3.6 VIN
- Adjustable 1.5 A/±1.5% asynchronous buck regulator with an integrated 120 mΩ high-side MOSFET (SW2)
- Adjustable 2.0 A/±1.5% asynchronous buck regulator with an integrated 110 mΩ MOSFET (SW3)
- Adjustable ±1.5% synchronous buck controller with integrated gate drivers and current sensing (SW4)
- Fixed 425 kHz, interleaved PWM switching frequency
- EN/SYNC input for PWM frequency scaling
- Adjustable soft-start time for each switching regulator
- All switching regulators provide prebias startup with zero reverse current
- All switching regulators have overvoltage protection
- External compensation for all switching regulators
- Power OK (POK) open-drain output with de-glitch
- BU and ACC voltage detectors and comparators
- Mute control with programmable delay
- Two internal high-voltage, high-side NMOS switches (S1 and S2) with foldback short circuit protection
- High-side switches simultaneously controlled on/off
- High-side switches block reverse current
- Internal charge pump for high-side switch biasing
- Withstands surge voltages up to 40 V
- −40°C to 85°C ambient operating temperature range
- 150°C maximum junction temperature
- Thermally enhanced, surface mount package
Target Application
