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SLUS149D – MAY 1999 – REVISED JANUARY 2010

ABSOLUTE MAXIMUM RATINGS

(1)

VALUE

UNIT

VCC

VCC relative to VSS

–0.3 to 7

V

VT

DC voltage applied on any pin, relative to VSS

–0.3 to VCC

V

TOPR

Operating ambient temperature

–20 to 70

°C

TSTG

Storage temperature

–40 to 125

°C

TSOLDER

Soldering temperature (10 s max)

260

°C

(1)

Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional operation should be limited to the

Recommended DC Operating Conditions detailed in this data sheet. Exposure to conditions beyond the operational limits for extended

periods of time may affect device reliability.

DC THRESHOLDS

(1)

TA = TOPR; VCC = 5 V ± 20% (unless otherwise specified)

PARAMETER

TEST CONDITIONS

TYPICAL

TOLERANCE

UNIT

VTCO

Temperature cutoff

Voltage at the TS pin

0.225 × VCC

±5%

V

VHTF

High-temperature fault

Voltage at the TS pin

0.25 × VCC

±5%

V

VLTF

Low-temperature fault

Voltage at the TS pin

0.5 × VCC

±5%

V

VMCV

Maximum cell voltage

Voltage at the BAT pin

2.00

±0.75%

V

VLBAT

Minimum cell voltage

Voltage at the BAT pin

950

±5%

mV

VTHERM

TS input change for

ΔT/Δt detection

Voltage at the TS pin

-VCC/161

±25%

V/min

VSNSHI

High threshold at SNS

Voltage at the SNS pin

50

±10

mV

VSNSLO

Low threshold at SNS

Voltage at the SNS pin

–50

±10

mV

VSLP

Sleep-mode input threshold

Voltage at the BAT pin

VCC–1

±0.5

V

VRCH

Recharge threshold

Voltage at the BAT pin

VMCV–0.1

±0.02

V

(1)

All voltages are relative to VSS except as noted.

RECOMMENDED DC OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

TEST CONDITIONS

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4

5

6

V

ICC

Supply current

Exclusive of external loads

0.5

1

mA

ICCS

Sleep current

VBAT = VSLP

5

µA

VTS

Thermistor input

VTS < 0.5 V prohibited

0.5

VCC

V

VOH

Output high

MOD, IOH = 10 mA

VCC–0.4

V

VOL

Output low

MOD, LED, IOL = 10 mA

0.2

V

IOZ

High-impedance leakage current

LED

5

µA

Isnk

Sink current

MOD, LED

20

mA

RMTO

Charge timer resistor

2

250

k

Ω

CMTO

Charge timer capacitor

0.001

1

µF

IMPEDANCE

PARAMETER

MIN

TYP

MAX

UNIT

RBAT

Battery input impedance

10

M

Ω

RTS

TS input impedance

10

M

Ω

RSNS

SNS input impedance

10

M

Ω

TIMING

TA = TOPR; VCC = 5 V ± 20% (unless otherwise noted)

PARAMETER

MIN

TYP

MAX

UNIT

dMTO

MTO time-base variation

–5%

5%

fTRKL

Pulse-trickle frequency

0.9

1

1.1

Hz

Copyright © 1999–2010, Texas Instruments Incorporated

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