L9963E datasheet(8/184 Pages) STMICROELECTRONICS

8 / 184 page

Pin #

Pin name

Description

I/O type(1)

Cell voltage input. Connect to the positive terminal of 4th cell.

Cell voltage input. Connect to the positive terminal of 5th cell.

Cell balancing FET control output for 5th cell.

B6_5

Common terminal for cell balancing S5 and S6.

Cell balancing FET control output for 6th cell.

Cell voltage input. Connect to the positive terminal of 6th cell.

Cell voltage input. Connect to the positive terminal of 7th cell.

Cell balancing FET control output for 7th cell.

B8_7

Common terminal for cell balancing S7 and S8.

Cell balancing FET control output for 8th cell.

Cell voltage input. Connect to the positive terminal of 8th cell.

Cell voltage input. Connect to the positive terminal of 9th cell.

Cell balancing FET control output for 9th cell.

B10_9

Common terminal for cell balancing S9 and S10.

S10

Cell balancing FET control output for 10th cell.

C10

Cell voltage input. Connect to the positive terminal of 10th cell.

C11

Cell voltage input. Connect to the positive terminal of 11th cell.

S11

Cell balancing FET control output for 11th cell.

B12_11

Common terminal for cell balancing S11 and S12.

S12

Cell balancing FET control output for 12th cell.

C12

Cell voltage input. Connect to the positive terminal of 12th cell.

C13

Cell voltage input. Connect to the positive terminal of 13th cell.

S13

Cell balancing FET control output for 13th cell.

B14_13

Common terminal for cell balancing S13 and S14.

S14

Cell balancing FET control output for 14th cell.

C14

Cell voltage input. Connect to the positive terminal of 14th cell.

VBAT

Power supply of chip. This pin is also sensed by internal ADC through a voltage

divider. Refer to Table 73.

CAP2

Pin2 external bootstrap capacitance. Refer to Table 73.

CAP1

Pin1 external bootstrap capacitance. Refer to Table 73.

GNDEP

Ground terminal, connect to AGND plane

1. I/O type legend: AI = Analog Input; AO = Analog Output; AIO = Analog I/O; DI = Digital Input; DO = DigitalOutput; DIO =

Digital I/O; P = Power; G = Ground; NC = Not Connect.

L9963E

Pin description

DS13636 - Rev 12

page 8/184

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