Datasheet > SGM41512A

SGM41512A

更新时间： 2023-09-03 20:34:41

品牌	Logo	应用领域
圣邦微 - SGMICRO		电池
页数	文件大小	规格书
44页	1708K
描述
I2C Controlled 3A Single-Cell Battery Charger with High Input Voltage Capability and Narrow Voltage DC (NVDC) Power Path Management

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SGM41512A 数据手册

I²C Controlled 3A Single-Cell Battery Charger with High Input Voltage

Capability and Narrow Voltage DC (NVDC) Power Path Management

SGM41512A

ELECTRICAL CHARACTERISTICS (continued)

(V_{VAC_UVLOZ}< V_VAC< V_{VAC_OV}and V_VAC> V_BAT+ V_SLEEP, T_J= -40℃ to +85℃, typical values are at T_J= +25℃, unless otherwise

noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP MAX UNITS

Input Voltage and Current Regulation (DPM: Dynamic Power Management)

Input Voltage Regulation Limit

V_INDPM

V_{INDPM_ACC}

V_INDPM

VINDPM[3:0] = 0000 (3.9V)

VINDPM[3:0] = 0101 (4.4V)

3.83

-2

3.91 3.99

Input Voltage Regulation

Accuracy

4.4 4.485

Input Voltage Regulation Limit

4.315

-2

Input Voltage Regulation

Accuracy

V_{INDPM_ACC}

Input Voltage Regulation Limit

Tracking VBAT

V_BAT= 4V, V_INDPM= 3.9V, T_J= +25℃,

V_{DPM_VBAT}

4.172

-3

4.3 4.428

VDPM_BAT_TRACK[1:0] = 11 (300mV)

Input Voltage Regulation

Accuracy Tracking VBAT

V_{DPM_VBAT_ACC}

T_J= +25℃

IINDPM[4:0] = 00100 (500mA) 450

IINDPM[4:0] = 01000 (900mA) 800

525

960

_VBUS= 5V,

USB Input Current Regulation

Limit

current pulled from SW,

I_INDPM

T_J= +25℃

IINDPM[4:0] = 01110 (1.5A)

1280

1570

Input Current Limit during System

Start-Up Sequence

I_{IN_START}

200

BAT Pin Over-Voltage Protection

V_{BATOVP_RISE}

V_{BATOVP_FALL}

V_BATrising

V_BATfalling

102.8 104 104.8

100.8 102 102.8

As percentage of

Battery Over-Voltage Threshold

V_{BAT_REG}, T_J= +25℃

Thermal Regulation and Thermal Shutdown

120

TREG = 1 (120℃)

TREG = 0 (80℃)

Junction Temperature Regulation

T_{JUNCTION_REG}

Temperature increasing

℃

Threshold

Thermal Shutdown Rising

T_SHUT

150

℃

Temperature

Thermal Shutdown Hysteresis

T_{SHUT_HYS}

JEITA Thermistor Comparator (Buck Mode)

T1 (0℃) Threshold Voltage on TS

Charge suspends if temperature T is below T1 (T < T1),

as percentage of V_REGN

72.6

71.0

67.4

66.0

43.4

45.1

33.5

34.8

73.2 73.9

71.6 72.1

V_T1

T1 Falling

As percentage of V_REGN

Charge sets to I_CHG/2 and 4.2V if T1 < T < T2,

as percentage of V_REGN

T2 (10℃) Threshold

68.7

67.4

V_T2

T2 Falling

As percentage of V_REGN

66.7

Charge sets to normal (I_CHGand 4.05V) if T2 < T < T3,

as percentage of V_REGN

T3 (45℃) Threshold

44.5 45.5

45.8 46.4

34.1 34.8

35.4 36.1

V_T3

T3 Falling

As percentage of V_REGN

Charge sets to 4.1V or V_REGif T3 < T < T4 and suspends

if T > T4, as percentage of V_REGN

T4 (60℃) Threshold

V_T4

T4 Falling

As percentage of V_REGN

SG Micro Corp

www.sg-micro.com

JUNE 2022

1...4 5 678 9 10...44

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