Datasheet > BQ7721605

BQ7721605

更新时间： 2022-05-14 22:19:06

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德州仪器 - TI		/
页数	文件大小	规格书
25页	1529K
描述
BQ77216 Voltage and Temperature Protection for 3-Series to 16-Series Cell Li-Ion Batteries with Internal Delay Timer

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BQ7721605 数据手册

BQ77216

www.ti.com

SLUSE36B – DECEMBER 2020 – REVISED JULY 2021

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

MIN

NOM

MAX

UNIT

T_J

Junction temperature

–65

150

°C

(1) V_DDis equal to top of stack voltage

8.4 Thermal Information

DEVICE

THERMAL METRIC⁽¹⁾

PW (TSSOP)

24 PINS

97.8

UNIT

R_θJA

Junction-to-ambient thermal resistance

Junction-to-case (top) thermal resistance

Junction-to-board thermal resistance

°C/W

R_θJC(top)

R_θJB

40.5

53.1

Ψ_JT

Junction-to-top characterization parameter

Junction-to-board characterization parameter

Junction-to-case (bottom) thermal resistance

4.3

Ψ_JB

52.7

R_θJC(bot)

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

8.5 DC Characteristics

Typical values stated where T_A= 25°C and VDD = 58 V, MIN/MAX values stated where T_A= –40°C to 85°C and VDD = 5 V

to 75 V (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OVER VOLTAGE PROTECTION (OV)

V_OV

OV Detection Range

3.55

5.1

V_{OV_STEP}OV Detection Steps

Selected OV Hysterysis depends on part

number. See device selection table for

details.

V_OV

100

–

V_{OV_HYS}OV Detection Hysteresis

Selected OV Hysterysis depends on part

number. See device selection table for

details.

V_OV

200

–

T_A= 25℃

OV Detection Accuracy

–10

–20

–50

0℃ ≤ T_A≤ 60℃

-40℃ ≤ T_A≤ 110℃

V_{OV_ACC}OV Detection Accuracy

OV Detection Accuracy

UNDER VOLTAGE PROTECTION (UV)

V_UV

UV Detection Range

1.0

3.5

V_{UV_STEP}UV Detection Steps

Selected OV Hysterysis depends on part

number. See device selection table for

details.

V_UV

100

V_{UV_HYS}UV Detection Hysteresis

Selected OV Hysterysis depends on part

number. See device selection table for

details.

V_UV

200

UV Detection Accuracy

V_{UV_ACC}

T_A= 25℃

–30

–50

450

UV Detection Accuracy

-40 ≤ T_A≤ 110℃

V_{UV_MIN}UV Detection Disabled Threshold

Vn - Vn-1 where n = 2 to 16 and V1 - VSS

500

550

OVER TEMPERATURE PROTECTION (OT)

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