BQ76PL455APFCT datasheet(6/125 Pages) TI1

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bq76PL455A

SLUSCL0A – SEPTEMBER 2016 – REVISED OCTOBER 2016

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Pin Functions (continued)

NAME

TYPE(1)

DESCRIPTION

NO.

5.3-V regulated analog power supply input/sense pin.

Connect to external NPN transistor's emitter and decouple with a 0.1-µF capacitor(3) to AGND and a

4.7-µF capacitor(3) in series with a 0.390-Ω resistor to GND. Locate decoupling capacitors as close

to the VP pin as possible.

Always connect VDIG to VP with 1-Ω resistor.

VREF

VREF output filter pin. Decouple with parallel 0.1-µF and 1.8-µF (25 V+) capacitors(3) to the ground

plane. Locate decoupling capacitors as close to the pin as possible. To maintain measurement

fidelity, do not place external loads on this pin.

VSENSE0

Connect to the negative pin of the 1st cell.

VSENSE1

Channel 1. Connect to the positive pin of the 1st cell.

VSENSE2

Channel 2. Connect to the positive pin of the 2nd cell.

VSENSE3

Channel 3. Connect to the positive pin of the 3rd cell.

VSENSE4

Channel 4. Connect to the positive pin of the 4th cell.

VSENSE5

Channel 5. Connect to the positive pin of the 5th cell.

VSENSE6

Channel 6. Connect to the positive pin of the 6th cell.

VSENSE7

Channel 7. Connect to the positive pin of the 7th cell.

VSENSE8

Channel 8. Connect to the positive pin of the 8th cell.

VSENSE9

Channel 9. Connect to the positive pin of the 9th cell.

VSENSE10

Channel 10. Connect to the positive pin of the 10th cell.

VSENSE11

Channel 11. Connect to the positive pin of the 11th cell.

VSENSE12

Channel 12.Connect to the positive pin of the 12th cell.

VSENSE13

Channel 13. Connect to the positive pin of the 13th cell.

VSENSE14

Channel 14. Connect to the positive pin of the 14th cell.

VSENSE15

Channel 15. Connect to the positive pin of the 15th cell.

VSENSE16

Channel 16. Connect to the positive pin of the 16th cell.

WAKEUP

Wakeup input. Pull this pin low or tie to ground if not used. Do not allow this pin to float at any time.

(1) Key: AI = analog input; AO=analog output; DI = digital input; DO= digital output; DIO= digital I/O; P= Power; NC= no connect.

(2) Externally connected pins as common ground or GND in the design. See Grounding for details.

(3) All capacitors are type X7R or better, unless otherwise noted.

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