ACE4704
Fully 5A, 4cell Standalone Li-ion Battery Charger
Stresses beyond those listed under ‘Absolute Maximum Ratings’ may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operational
sections of the specifications is not implied. Exposure to Absolute Maximum Rating Conditions for extended periods may affect
device reliability.
Packaging Type
TSSOP-16
TSSOP-16 Description
Function
Internal Voltage Regulator. VG internally supplies power to gate driver,
connect a 100nF capacitor between VG pin and VCC pin.
Power Ground.
1
VG
2
3
PGND
GND
Analog Ground.
Open-Drain Output. When the battery is being charged, this pin is pulled low
by an internal switch. Otherwise this pin is in high impedance state.
Open-Drain Output. When the charging is terminated, this pin is pulled low
by an internal switch. Otherwise this pin is in high impedance state.
Battery Temperature Monitoring Input. Connect an NTC resistor from this pin
to GND.
4
5
6
7
8
CHRG
DONE
TEMP
End-of-Charge Current Setting Pin. Connect this pin to GND directly or via a
resistor.
EOC
Loop Compensation Input 1. Connect a 470pF capacitor from this pin to
GND.
COM 1
Loop Compensation Input 2. Connect a 220nF capacitor in series with an
120Ω resistor from this pin to GND.
9
COM 2
Test
Test pin. Connected this pin to GND.
10
11
Loop Compensation Input 3. Connect an 100nF capacitor from this pin to
GND.
COM 3
VER 1.2
2
ACE [ ACE TECHNOLOGY CO., LTD. ]
