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Description

The AP9101C is a protection IC designed with high precision voltage detection circuit.

The AP9101C provides a function to protect batteries by detecting overcharge voltage, overdischarge voltage, overcharge current, overdischarge current and other abnormalities and turning off the external MOSFET switch.

The AP9101C also has a built-in fixed time circuit (external capacitors are unnecessary), the protection circuitry can be comprised with fewer external components.

Application

  • Lithium-Ion Battery Packs
  • Lithium Polymer Battery Packs
  • Smartphones

Features

  • Low Current Consumption (+25°C)
  • Operation Mode: 3.0µA Typ. VDD = 3.5V
  • Power-Down Mode: 0.01µA Typ.
  • High-Accuracy Voltage Detection Circuit (+25°C)
  • Overcharge Detection Voltage: 3.5V to 4.5V (5mV Steps) Accuracy ±25mV
  • Overcharge Hysteresis Voltage Range: 0.1V to 0.4V (50mV Steps) Accuracy ±50mV
  • Overdischarge Detection Voltage: 2.0V to 3.4V (10mV Steps) Accuracy ±35mV
  • Overdischarge Hysteresis Voltage Range: 0V to 0.7V (40mV Steps) Accuracy ±65mV
  • Discharge Overcurrent Detection Voltage: 0.05V to 0.32V (10mV Steps) Accuracy ±15mV
  • Short Current Detection Voltage: 0.45V to 0.7V (50mV Steps) Accuracy ±100mV
  • Charge Overcurrent Detection Voltage: -0.2V to -0.05V (10mV Steps) Accuracy ±15mV
  • Overcharger Detection Voltage: 8.0V (Fixed) Accuracy ±2V
  • Overcharger Release Voltage: 7.3V (Fixed) Accuracy ±2V
  • Built-in Fixed Detection Delay Time (+25°C): Accuracy ±20%
  • Power-Down Mode can be Selectable: Available/Unavailable
  • 0V Battery Charge Function can be Selectable: Available/Unavailable
  • Overcharge Protection Mode can be Selectable: Release/Latch
  • High-Voltage CMOS Process: Up to 30V between VDD and VM Pins

Product Specifications

Product Parameters

Qualified to AECQ10x No
Automotive Compliant PPAP No
Function Battery Protection
Application 1-Cell
Built-In Dual NMOS No Y/N
RSS(ON) @VGS=3.9V - mΩ
Overcharge Detection Voltage VCU 3.5 to 4.5 V
Overdischarge Detection Voltage VDL 2 to 3.4 V
Discharge Overcurrent Detection Voltage VDOC 0.05 to 0.32 V
Charge Overcurrent Detection Voltage VCOC 0.2 to 0.05 V
Load Short Detection Voltage VSHORT 0.16 to 0.32 V
Power-Down Function Selectable
Detection Delay Built-In Delay Timer
0V Battery Charge Function Permission

Related Content

Packages
SOT25
SOT26 (SC74R)

Technical Documents

Recommended Soldering Techniques

TN1.pdf

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