BQ2202PN datasheet(5/10 Pages) TI

Part #	BQ2202PN

Description	SRAM NV Controller With Reset

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Manufacturer	TI [Texas Instruments]

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DC Electrical Characteristics (TA =TOPR,VCC =5V ± 10%)

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Conditions/Notes

ILI

Input leakage current

-

± 1

µAVIN =VSS to VCC

VOH

Output high voltage

2.4

-

V

IOH = -2.0mA

VOHB

VOH, backup supply

VBC - 0.3

-

V

VBC >VCC,IOH = -10µA

VOL

Output low voltage

-

0.4

V

IOL = 4.0mA

ICC

Operating supply current

-

3

6

mA

No load on VOUT,CECON1,

and CECON2

VPFD

Power-fail detect voltage

4.55

4.62

4.75

V

THS = VSS

4.30

4.37

4.50

V

THS = VCC

VSO

Supply switch-over voltage

-

VBC

-V

ICCDR

Data-retention mode

current

-

100

nA

No load on VOUT,CECON1,

and CECON2

VOUT1

VOUT voltage

VCC - 0.2

-

V

VCC >VBC,IOUT = 100mA

VCC - 0.3

-

V

VCC >VBC,IOUT = 160mA

VOUT2

VOUT voltage

VBC - 0.2

-

V

VCC <VBC,IOUT = 100µA

VBC

Active backup cell voltage

-VBCS

-V

VBCS > 2.5V

-VBCP

-V

VBCS < 2.5V

RBCS

BCS charge output internal

resistance

500

1000

1750

Ω

VBCSO ≥ 3.0V

VBCSO

BCS charge output voltage

3.0

3.3

3.6

V

VCC >VPFD, RST inactive,

full charge or no load

IOUT1

VOUT current

-

160

mA

VOUT ≥ VCC - 0.3V

IOUT2

VOUT current

-

100

-

µAVOUT ≥ VBC - 0.2V

Note:

Typical values indicate operation at TA = 25°C, VCC =5VorVBC.

Capacitance (TA = 25°C, F = 1MHz, VCC = 5.0V)

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Conditions

CIN

Input capacitance

-

8

pF

Input voltage = 0V

COUT

Output capacitance

-

10

pF

Output voltage = 0V

Note:

This parameter is sampled and not 100% tested.

Sept. 1997 D

bq2202

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