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Diodes Semiconductor Electronic Components Datasheet

AP9107 Datasheet

Analog Front-end Chip

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AP9107 pdf
Preliminary Datasheet
Analog Front-end Chip for Multi-cells Li+ Battery Pack
AP9107
General Description
AP9107 is an analog front-end chip especially for
multi-cells Li-ion/Polymer battery pack application.
It includes 8-Channels analog switch, builds in
passive balancing circuit for 6 channels with 65Ω
discharge resistor, and linear regulator with 5mA
capability which can offer low noise voltage
reference for post ADC circuit.
AP9107 has four logic selection inputs (A/B/C/D).
When all logic pins are set low, no channel is
selected and the chip is turned off with shutdown
mode. The A, B, C and D selection pins are
compatible with TTL/CMOS logic level, can be
connected to MCU I/O port directly to select the right
channel respectively. The VOUT is analog output pin
to indicate exactly the voltage of each channel.
AUX7, AUX8 pins are auxiliary channels, which can
be connected to the NTC and/or PTC resistor to
measure the battery pack temperature.
AP9107 has 4 logic output pins as ALO, BLO, CLO
and DLO, which can transfer control logic for the
upper chip if used in dual or triple chips in serial.
AP9107 is available in standard package of
TSSOP-24 (EDP).
Features
±6mV Cell Voltage Matching Error between
eAny 2 CHs after Software Correlation
• Integrated Internal Balancing Circuit with 65Ω
eDischarge Resistor
• Built-in VREF, 5.0V/5.0mA with 1%
eBuilt-in Logic Transfer with Level Shift for
eApplication with 2 or 3 Chips in Serial
• Ultra Low Current in Shutdown Mode, 4.5μA
• Up to 6-cells in Serial Battery Pack Application
ewith Single Chip
• Up to 11-cells in Serial Battery Pack Application
ewith Dual Chips
• Up to 16-cells in Serial Battery Pack Application
ewith Triple Chips
• Compatible with TTL/CMOS Logic Level
Applications
E-Bike Battery Pack
• E-Moto Battery Pack
Nov. 2012 Rev 1. 1
TSSOP-24 (EDP)
Figure 1. Package Type of AP9107
BCD Semiconductor Manufacturing Limited
1


Diodes Semiconductor Electronic Components Datasheet

AP9107 Datasheet

Analog Front-end Chip

No Preview Available !

AP9107 pdf
Preliminary Datasheet
Analog Front-end Chip for Multi-cells Li+ Battery Pack
AP9107
Pin Configuration
G Package
(TSSOP-24 (EDP))
VL 1
VDD 2
B6 3
B5 4
B4 5
B3 6
B2 7
B1 8
B0/GND 9
AUX7 10
AUX8 11
VREF 12
24 DLO
23 CLO
22 BLO
21 ALO
20 BALO
19 NC
18 BAL
17 A
16 B
15 C
14 D
13 VOUT
Figure 2. Pin Configuration of AP9107 (Top View)
Nov. 2012 Rev 1. 1
BCD Semiconductor Manufacturing Limited
2


Part Number AP9107
Description Analog Front-end Chip
Maker BCD
Total Page 17 Pages
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