PT8A2707 Datasheet, PDF (12/26 Pages) Pericom Semiconductor Corporation – Charger Controller with Fuel-Guage & LCD/LED Display

PT8A2707-12/17-19
Charger Controller
with Fuel-Guage & LCD/LED Display
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Test Mode Specification
Test pin = 1.65V (or short to VDD), VDD=2.4V, ISENDC = 2.4V, ISENFG = 2.4V, ISENCOM = 2.4V, BP = 0V
VT = 0.75V (25^oC)
Table 8: for Test Mode
INPUT
Explanation
Output
State Timer VT Duration
For tester test
charge BLI L100 motor
0
62.5msec
1 0V 0.75V 62.5msec (Isendc-Isencom) regulate 7mV
1
11
0
2 0V 0.75V 62.5msec (Isendc-Isencom) regulate 70mV
1
11
0
3 0V 0.75V 62.5msec All LEDs turn on
0
00
0
4 0V 0.75V 62.5msec MOTOR outputs 100Hz 50% duty cycle 0
1
1
50% PWM
@ 100Hz
5
0V
0.75V
62.5msec
BLI turns on if NTC short or open;
otherwise L100 turns on
0
10
0
6 0V 0.75V 62.5msec L100, BLI output refer to timer setting
0
11
0
7
62.5msec
0
1sec For manual test
1 0V 0.75V 1sec (Isendc-Isencom) regulate 7mV
1
11
0
2 0V 0.75V 1sec (Isendc-Isencom) regulate 70mV
1
11
0
3 0V 0.75V 1sec All LEDs turn on
0
00
0
4 0V 0.75V 1sec MOTOR outputs 100Hz 50% duty cycle 0
1
1
50% PWM
@ 100Hz
5
0V 0.75V
1sec
BLI turns on if NTC short or open;
otherwise L100 turns on
0
10
0
6 0V 0.75V 1sec L100, BLI output refer to timer setting
0
11
0
7
1sec
12-07-0005
PT0268-1 07/05/12
12