Datasheet > LTC2942CDCBTRMPBF

LTC2942CDCBTRMPBF

更新时间： 2022-12-26 05:39:05

品牌	Logo	应用领域
凌特 - Linear		电池仪表
页数	文件大小	规格书
16页	174K
描述
Battery Gas Gauge with Temperature, Voltage Measurement

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LTC2942CDCBTRMPBF 数据手册

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LTC2942

ABSOLUTE MAXIMUM RATINGS

PIN CONFIGURATION

(Notes 1, 2)

TOP ꢀIEW

Supply ꢀoltage (SENSE )............................. –5.3ꢀ to 6ꢀ

SCL, SDA, AL/CC ......................................... –5.3ꢀ to 6ꢀ

–

SENSE

AL/CC

SDA

SENSE

GND

–

SENSE .................................. –5.3ꢀ to (ꢀ

Operating Ambient Temperature Range

+ 5.3ꢀ)

SENSE

GND

SCL

LTC2942C ................................................ 5°C to 75°C

LTC2942I.............................................. –45°C to 8±°C

Storage Temperature Range................... –6±°C to 1±5°C

DCB PACKAGE

6-LEAD (2mm × 3mm) PLASTIC DFN

JMAX

= 1±5°C, θ = 125°C/W

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB OR LEFT FLOATING

ORDER INFORMATION

Lead Free Finish

TAPE AND REEL (MINI)

LTC2942CDCB#TRMPBF

LTC2942IDCB#TRMPBF

TAPE AND REEL

PART MARKING*

LDꢀN

PACKAGE DESCRIPTION

TEMPERATURE RANGE

5°C to 75°C

LTC2942CDCB#TRPBF

LTC2942IDCB#TRPBF

6-Lead (2mm × 3mm) Plastic DFN

LDꢀN

–45°C to 8±°C

TRM = ±55 pieces. *Temperature grades are identiﬁed by a label on the shipping container.

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

ELECTRICAL CHARACTERISTICS ^Thel denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at T_A= 25°C. (Note 2)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Requirements

ꢀ

Supply ꢀoltage

2.7

±.±

155

3±5

425

2.±

ꢀ

μA

ꢀ

SENSE

Supply Current (Note 3)

Battery Gas Gauge On, ADC Sleep

Battery Gas Gauge On, ADC Converting ꢀoltage

Battery Gas Gauge On, ADC Converting Temperature

Shutdown

SUPPLY

355

3±5

Shutdown, ꢀ

+ ≤ 4.2ꢀ

SENSE

ꢀ

Undervoltage Lockout Threshold

ꢀ

+ Falling

2.±

2.6

2.7

UꢀLO

SENSE

Coulomb Counter

–

SENSE

ꢀ

Sense ꢀoltage Differential Input

Range

ꢀ

+ – ꢀ

±±5

mꢀ

kΩ

SENSE

Differential Input Resistance,

455

IDR

–

Across SENSE and SENSE

(Note 8)

Charge LSB (Note 4)

Total Charge Error (Note ±)

Prescaler M = 128 (Default), R

= ±5mΩ

5.58±

mAh

LSB

SENSE

TCE

15mꢀ ≤ |ꢀ

| ≤ ±5mꢀ DC

±1

SENSE

| ≤ ±5mꢀ DC, ꢀ

SENSE

+ ≤ 4.2ꢀ

±1.±

±3.±

SENSE

1mꢀ ≤ |ꢀ

| < ±5mꢀ DC (Note 8)

SENSE

2942f

123 4 5 6 7...16

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