L9961 datasheet(63/65 Pages) STMICROELECTRONICS

63 / 65 page

List of tables

Table 1.

Device pinout ...................................................................... 3

Table 2.

Operating ranges .................................................................... 6

Table 3.

Absolute maximum ratings ............................................................. 7

Table 4.

ESD protection ..................................................................... 7

Table 5.

Thermal ratings ..................................................................... 8

Table 6.

L9961 operating states electrical parameters................................................ 11

Table 7.

VREG electrical parameters ........................................................... 12

Table 8.

VREG electrical parameters ........................................................... 13

Table 9.

Voltage conversion routine execution parameters............................................. 15

Table 10.

Cell voltage monitor diagnostics......................................................... 16

Table 11.

Cell voltage monitor electrical parameters .................................................. 17

Table 12.

Battery stack monitor diagnostics ........................................................ 19

Table 13.

Battery stack monitor external parameters.................................................. 20

Table 14.

NTC temperature monitor diagnostics..................................................... 21

Table 15.

NTC measurement parameters ......................................................... 22

Table 16.

Die temperature monitor diagnostics...................................................... 23

Table 17.

Die temperature monitor electrical parameters ............................................... 23

Table 18.

Current sense ADC electrical parameters .................................................. 26

Table 19.

Coulomb counter electrical parameters .................................................... 28

Table 20.

Overcurrent diagnostics .............................................................. 29

Table 21.

Overcurrent electrical parameters ....................................................... 30

Table 22.

Short-circuit in discharge diagnostics ..................................................... 31

Table 23.

Short-circuit in discharge electrical parameters .............................................. 32

Table 24.

Balancing electrical parameters ......................................................... 33

Table 25.

CHG/DCHG pre-driver electrical parameter ................................................. 34

Table 26.

Coulomb counter electrical parameters .................................................... 36

Table 27.

RDY Interrupt pin electrical parameters.................................................... 37

Table 28.

Digital output electrical characteristics .................................................... 38

Table 29.

Digital output electrical characteristics .................................................... 39

Table 30.

Digital output electrical characteristics .................................................... 39

Table 31.

I2C electrical parameters.............................................................. 43

Table 32.

NVM electrical parameters ............................................................ 46

Table 33.

Recommended power supply components ................................................. 48

Table 34.

Typical BOM for cell voltage sensing and balancing circuit ...................................... 49

Table 35.

Typical current sense BOM ............................................................ 49

Table 36.

NTC analog front end BOM ............................................................ 50

Table 37.

Typical HS/LS Pre-Drivers BOM......................................................... 51

Table 38.

Typical BOM of fuse circuit ............................................................ 52

Table 39.

Typical BOM for digital IOs circuit........................................................ 52

Table 40.

BOM in LS configuration when charger is hot-plugged ......................................... 53

Table 41.

BOM for Fail-safe switch in HS configuration ................................................ 54

Table 42.

BOM for Fail-safe switch in LS configuration ................................................ 55

Table 43.

VFQFPN (5x5x1.00 mm) package mechanical data ........................................... 57

Table 44.

Tolerance of form and position .......................................................... 57

Table 45.

Document revision history ............................................................. 59

L9961

List of tables

DS14012 - Rev 3

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