PT8A2707 Datasheet, PDF (10/26 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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LCD output specification
Pin
BP
L100, L80, L60,
L40
L20
BLI
Table 7: LCD Specifications
Signal Format
64Hz 50% Duty Cycle Square-wave Output Signal Generated from the 32kHz Master Clock
OFF: In-phase with Back Plane Signal
ON: 180 Out-of-phase with Back Plane Signal
2Hz-FLASH: Blinking at 2Hz During Charging Mode. Switch between In-phase and Out-of-Phase Output
Signal at 2Hz
OFF: In-phase with Back Plane Signal
ON: 180 Out-of-phase with Back Plane Signal
2Hz-FLASH: Blinking at 2Hz During Charging Mode. Switch between In-phase and Out-of-Phase Output
Signal at 2Hz
1Hz-FLASH: Blinking at 1Hz During Discharging Mode. Switch between In-phase and Out-of-Phase
Output Signal at 1Hz
OFF: In-phase with Back Plane Signal
ON: 180 Out-of-phase with Back Plane Signal
BP
SIGNAL
Figure 1: LCD Signal Phase vs BP Signal Phase for all states
ON
OFF
FLASH
12-07-0005
PT0268-1 07/05/12
10