ACT2803
Rev 1, May-12-2016
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
29
LED2
Battery level indicator.
Battery level indicator.
Battery level indicator.
30
31
LED3
LED4
32
33
LEDLS1 LED1 threshold level shift. Connect a resistor from the pin to AGND to shift LED1 threshold.
LEDLS2 LED2 threshold level shift. Connect a resistor from the pin to AGND to shift LED2 threshold.
34
35
LEDLS3 LED3 threshold level shift. Connect a resistor from the pin to AGND to shift LED3 threshold.
LEDLS4 LED4 threshold level shift. Connect a resistor from the pin to AGND to shift LED4 threshold.
LED indication mode input. The 5 modes of LED indication patterns are set by a voltage at this
pin. Connect a resistor at the pin to set the voltage and an LED indication pattern .
36
37
PT
RIMC Battery impedance compensation input. Connect a resistor to this pin to offset the LED
thresholds in charge mode and discharge mode.
RIMC
The hysteresis window setting input. Connect a resistor at the pin to set the hysteresis windows
38
HYST
for LED1, 2, 3, 4. In charge mode, LED thresholds moves up and in discharge mode, LED
thresholds moves down.
39
40
DM
DP
Output port auto detection input. Connected to portable device D-.
Output port auto detection input. Connected to portable device D+.
Exposed pad. Must be soldered to ground plane layer(s) on the PCB for best electrical and
thermal conductivity.
41
PGND
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