MB3893A Overview
MB3893A is a multi-function power management IC chip with built-in 4-channel series regulator providing the output control functions and power supply drop detection circuits required for mobile phones. The MB3893A includes lithium-ion battery charge control functions and functions as a built-in power management system ideal for mobile phone devices.
MB3893A Key Features
- Supply voltage range : VCC = 3.1 V to 4.8 V
- Low power consumption current during standby : 110 µA (Max.)
- Built-in interruption detection and supply recovery functions eliminate need for supplementary power supply
- Built-in On/Off switch circuit with accidental operation prevention function
- Accurate supply voltage drop detection
- Built-in power-on reset (OUT1) function
- Detection voltage with hysteresis [Charge Control Unit]
- Supply voltage range : VIN = 3.4 V to 5.9 V
- Built-in lithium-ion battery charge control functions
- Charging voltage : 4.1 V/4.2 V (switchable)
MB3893A Applications
- Supply voltage range : VCC = 3.1 V to 4.8 V