BQ26100_15 Datasheet, PDF (21/29 Pages) Texas Instruments – Based Security and Authentication IC

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Programming Module
bq26100
SLUS696B – JUNE 2006 – REVISED AUGUST 2015
12 V Supply
10 NŸ
15 NŸ
Microcontroller
3.3 V
10 NŸ
100 Ÿ
100 Ÿ
5.6 V
Application Circuit
bq26100
SDQ
VSS
Figure 25. Programming Circuit Example
9 Power Supply Recommendations
The bq26100 device is a low-power device that only needs to be turned on when communicating. The device
power comes from the digital I/O and the capacitor connected between the VCC and GND pins. The capacitor on
VCC is charged when the SDQ I/O is high and parasitically discharged when the SDQ I/O is pulled low.
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