Description
The AP9234L family is a single-chip protection solution specially designed for one-cell Li+ rechargeable battery pack applications. It includes a one-cell, high-accuracy Li+ battery-protection controller and dual N-channel, ultralow RSS(ON) MOSFETs with common drain.
The AP9234L provides rich battery protection features and can turn off the N-channel MOSFETs by detecting overcharge voltage/current, overdischarge voltage/current, or load short circuit. The AP9234L has a built-in fixed delay time to save external components.

Features
• High-Voltage CMOS Process, Up to 24V (VDD to VM)
• Low Quiescent Current (+25°C)
   o Operation Mode: 3.0µA Typ. VDD = 3.5V
   o Power-Down Mode: 0. 1µA Max. VDD = 1.8V
• High Accuracy Voltage Detection (+25°C)
   o Overcharge Detection Voltage: 3.5V to 4.5V,
      5mV/step, Accuracy -15mV, +25mV
   o Overcharge Release Voltage: 3.4V to 4.4V,
      50mV/step, Accuracy ±50mV
   o Over-discharge Detection Voltage: 2.0V to 3.4V,
      10mV/step, Accuracy ±35mV
   o Over-discharge Release Voltage: 2.7V to 3.4V,
      40mV/step, Accuracy ±65mV (No Power-down Mode)
   o Discharge Overcurrent Detection Voltage: 0.03V to 0.19V,
      10mV/step, Accuracy ±12mV
   o Load Short Detection Voltage: 0.16V to 0.32V,
      50mV/step, Accuracy ±50mV
   o Charge Overcurrent Detection Voltage: -0.19V to -0.03V,
      10mV/step, Accuracy ±12mV
   o Overvoltage Charge Detection Voltage: 8.0V,
      Fixed, Accuracy ±2.0V
   o Overvoltage Charge Release Voltage: 7.3V,
      Fixed, Accuracy ±2.0V
• High Accuracy Current Detection (+25°C)
   Charge/Discharge Current Limit: ±2A
• Built-in Delay Time (+25°C), Accuracy ±20%
• Auto-wake-up Function (No Power-down)
• 0V Battery Charge Selectable (Permission or Inhibition)
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)

Applications
• Li+ Rechargeable Battery Pack