Texas Instruments Fuel Gauge with Impedance Track™ for Lead Acid Batteries Evaluation Module BQ34Z110EVM BQ34Z110EVM 데이터 시트

제품 코드

BQ34Z110EVM

TB1

SW1

RT1

TB3

TP3

TP4

TP8

TP7

TP6

TP5

Circuit Module Physical Layouts, Schematic, and Bill of Materials

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3.3

Choosing the LED configuration

When configuring the data flash registers, choose one of five LED/Comm configuration codes (refer to
Table 12 in the bq34z110 datasheet). After reviewing those possibilities, select the jumper pattern desired
for the J6 header on the EVM. For single-LED mode, place a jumper on the pair marked A. For four-direct
LED mode, place jumpers on A, B, C, and D. For external LEDs using the shift register option, place a
single jumper on EXT. In all cases, where one or more LED’s are used, place a jumper across the J1
header to provide power to the LED.

3.4

Choosing the ALERT configuration

The pin used to provide the ALERT output depends on the LED mode selected in the LED/Comm data
flash register. Refer to Table 13 in the bq34z110 datasheet for a guide to the proper ALERT pin, then
place one and only one jumper on the J3 header accordingly.

Circuit Module Physical Layouts, Schematic, and Bill of Materials

This section contains the board layout, assembly drawings, schematic, and bill of materials for the
bq34z110 circuit module.

4.1

Board Layout

Figure 1

through

Figure 6

show the PCB layers, and assembly drawing for the bq34z110 module.

Figure 1. bq34z110EVM Layout (Silkscreen)

bq34z110EVM Wide-Range Impedance Track™ Enabled Fuel Gauge

SLUUA15 – October 2012

Solution for Lead-Acid Batteries

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