L9963E datasheet(53/184 Pages) STMICROELECTRONICS

53 / 184 page

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

Balance Power OFF Open Load Detect

Enabled

IOUT(LKG)

Output Leakage Current

VDS = 5 V

Balance Driver disabled (current on Sn Bn,n-1)

Open Load Detect Disabled

µA

IOUT(BAL_OFF)

Output Driver Current

VDS = 5 V

Balance Driver enabled but Power OFF

(current on Sn, Bn,n-1) Open Load Detect

Disabled

-35

µA

RDS_ON

Drain-to-Source On

Resistance

IOUT = 200 mA

-40 °C < TJ < 125 °C

1.8 V < Vcell(1..12) < 5 V

0.8

Ω

IOUT = 200 mA

-40 °C < TJ < 125 °C

3.2 V < Vcell(13..14) < 5 V

0.8

Ω

IOUT = 200 mA

40 °C < TJ < 80 °C (production test at room)

1.8 V < Vcell(13..14) < 3.2 V

1.3

Ω

IOUT = 200 mA

80 °C < TJ < 125 °C (production test at 125 °C)

1.8 V < Vcell(13..14) < 3.2 V

1.5

Ω

IBAL_OC

Over Current Short detection

Current flowing through

the PowerMOS when

BALx_SHORT = 1

Vcell(1..14) = 5 V, Power MOS ON, current

ramp on Power Drain

250

VBAL_CLAMP

Static clamp

Iforced = 300 mA

VCELL14_BAL_MIN

Minimum voltage on cell

14 that guarantees correct

operation of the balance

driver

Application info

1.7

TON_BAL

Cell Balance Driver Turn On

Time

RL = 40 Ω (that gives a 130 mA balancing

current when Vcell = 5 V) from internal

command to 10% of VDS

0.5

1.8

µs

TOFF_BAL

Cell Balance Driver Turn Off

Time

RL = 40 Ω (that gives a 130 mA balancing

current when Vcell = 5 V) from internal

command to 90% of VDS

0.5

4.7

µs

TBAL_OL

Open load digital filter time

Tested by SCAN

TBAL_OL_HWSC

Digital Filter time for HWSC

Tested by SCAN

µs

TBAL_OVC_DEGLITCH Short Detect Glitch Filter

Tested by SCAN

µs

TBAL_TIMEOUT

Secondary Balancing Timer

Timeout in Manual Mode

Tested by SCAN

600

min

4.8

Device regulators

All the internal blocks of the device are supplied by VBAT or VREG pin.

In order to optimize the power dissipation, to provide a suitable voltage for different functions or to decouple

sensible from noisy blocks, different regulators are available.

L9963E

Device regulators

DS13636 - Rev 12

page 53/184

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