AP9211
SINGLE CHIP SOLUTION FOR 1-CELL Li+ BATTERY PACK
Description
Pin Assignments
The AP9211 is a single chip protection solution specially designed for
1-cell Li+ rechargeable battery pack application.
(Top View)
The AP9211 includes a 1-cell Lithium ion battery protection chip and
dual N-CHANNEL MOSFET with common drain.
1
S2
6
S1
The AP9211 provides rich battery protection features and can turn-off
the N-CHANNEL MOSFET by detecting overcharge voltage/current,
over discharge voltage/current, or load short circuit. AP9211 has built-
in fixed delay time to save external components.
EP
VSS
VDD
2
3
5
4
VM
NC
The AP9211 is available in U-DFN2030-6 package.
U-DFN2030-6
Applications
Features
High Voltage CMOS Process, up to 30V (VDD to VM)
Low Quiescent Current (+25°C )
Li+ Rechargeable Battery Pack
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In Normal Mode, 3.0µA (Typ.), 4.5µA (Max.) VDD = 3.5V
In Power-Down Mode, 0.1µA (Max.)
High-Accuracy Voltage Detection Circuit (+25°C)
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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
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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 Selectable (Yes or No)
0V Battery Charge Selectable (Permission or Inhibition)
Overcharge Protection Mode Selectable (Auto Release or Latch)
Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
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www.diodes.com
December 2015
© Diodes Incorporated
AP9211
Document number: DS37596 Rev. 2 - 2