BQ24230RGTR

更新时间： 2025-07-23 06:44:11

品牌	Logo	应用领域
德州仪器 - TI		电池
页数	文件大小	规格书
33页	1987K
描述
USB-FRIENDLY LITHIUM-ION BATTERY CHARGER AND POWER-PATH MANAGEMENT IC

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BQ24230RGTR 数据手册

bq24230

bq24232

SLUS821A–OCTOBER 2008–REVISED DECEMBER 2008 .......................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input voltage threshold when input

current is reduced

V_IN-DPM

V_DPPM

EN2 = LO, EN1 = X

4.35

4.50

4.63

Output voltage threshold when

charging current is reduced

V_O(REG)

–

V_O(REG)

–

V_O(REG)

–

180 mV

100 mV

30 mV

V_BAT= 3.6 V, R_ILIM= 1.5 kΩ, R_LOAD= 10 Ω →2

Ω

_OUT≤ V_BAT

–40 mV

V_BSUP1

V_BSUP2

V_O(SC1)

Enter battery supplement mode

Exit battery supplement mode

V_BAT= 3.6 V, R_ILIM= 1.5 kΩ, R_LOAD= 2 Ω →10

Ω

V_OUT≥

V_BAT–20 mV

Output short-circuit detection

threshold, power-on

V_IN> UVLO and V_IN> V_BAT+V_IN(DT)

0.8

0.9

Output short-circuit detection

threshold, supplement mode V_BAT

– V_OUT> V_O(SC2)indicates short

circuit

V_O(SC2)

200

250

300

Deglitch time, supplement mode

short circuit

t_DGL(SC2)

t_REC(SC2)

BATTERY CHARGER

250

µs

Recovery time, supplement mode

short circuit

Source current for BAT pin

short-circuit detection

V_BAT= 1.5 V

V_BATrising

I_BAT(SC)

7.5

BAT pin short-circuit detection

threshold

V_BAT(SC)

V_BAT(REG)

V_LOWV

1.6

4.16

2.9

1.8

4.20

4.24

3.1

Battery charge voltage

Precharge to fast-charge transition V_IN> UVLO and V_IN> V_BAT+ V_IN(DT)

threshold

Deglitch time on precharge to

fast-charge transition

t_DGL1(LOWV)

t_DGL2(LOWV)

Deglitch time on fast-charge to

precharge transition

V_BAT(REG)> V_BAT> V_LOWV, V_IN= 5 V, CE = LO,

Battery fast-charge current range

500

EN1 = LO, EN2 = HI

CE = LO, EN1= LO, EN2 = HI,

V_BAT> V_LOWV, V_IN= 5 V, I_INmax > I_CHG, no load

on OUT pin, thermal loop and DPM loop not

I_CHG

Battery fast-charge current

K_ISET/R_ISET

active

K_ISET

Fast-charge current factor

Precharge current

25 mA ≥ I_CHG≥ 500 mA

797

870

975

106

AΩ

I_PRECHG

2.5 mA ≥ I_PRECHG≥ 30 mA

CE = LO, (EN1,EN2) ≠ (LO,LO),

0.09*I_CHG

0.1*I_CHG

0.11*I_CHG

V_BAT> V_RCH, t < t_MAXCH, V_IN= 5 V, DPM loop

and thermal loop not active

Termination comparator threshold

for termination detection

I_TERM

CE = LO, (EN1,EN2) = (LO,LO),

0.027*I_CHG

0.033*I_CHG0.040*I_CHG

K_ITERM*R_ITERM/R_ISET

V_BAT> V_RCH, t < t_MAXCH, V_IN= 5 V, DPM loop

and thermal loop not active

Termination current threshold

factor (bq24232)

I_TERM

I_TERM= 0% to 50% of I_CHG

Current for external

termination-setting resistor

I_BIAS(ITERM)

µA

CE = LO, (EN1,EN2) ≠ (LO,LO),

0.024

0.030

0.036

V_BAT> V_RCH, t < t_MAXCH, V_IN= 5 V, DPM loop

and thermal loop not active

K factor for termination detection

threshold (externally set)

(bq24232)

K_ITERM

CE = LO, (EN1,EN2) = (LO,LO),

V_BAT> V_RCH, t < t_MAXCH, V_IN= 5 V, DPM loop

and thermal loop not active

0.009

0.010

0.011

Current for external

termination_setting resistor

(bq24232)

µA

I_BIAS(ITERM)

t_DGL(TERM)

V_RCH

Deglitch time, termination detected

Recharge detection threshold

V_O(REG)V_O(REG)–100

–140 mV mV

V_O(REG)

–60 mV

V_IN> UVLO and V_IN> V_BAT+V_IN(DT)

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Product Folder Link(s): bq24230 bq24232

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BQ24230RGTR 替代型号

型号	品牌	替代类型	描述	数据表
BQ24230RGTRG4	TI	完全替代	USB-FRIENDLY LITHIUM-ION BATTERY CHARGER AND POWER-PATH MANAGEMENT IC
BQ24230RGTTG4	TI	完全替代	USB-FRIENDLY LITHIUM-ION BATTERY CHARGER AND POWER-PATH MANAGEMENT IC
BQ24230RGTT	TI	类似代替	USB-FRIENDLY LITHIUM-ION BATTERY CHARGER AND POWER-PATH MANAGEMENT IC

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