Datasheet > MP2759

MP2759

更新时间： 2024-04-09 19:01:18

品牌	Logo	应用领域
芯源 - MPS		电池开关
页数	文件大小	规格书
23页	1474K
描述
集成 MOSFET 和电源路径管理功能的 36V 3A 开关充电器 IC，适用于 1-6 节电池

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数据手册

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MP2759 数据手册

MP2759 – 36V SWITCHING CHARGER FOR 1-CELL TO 6-CELL BATTERIES

ELECTRICAL CHARACTERISTICS

V_IN= 24V, 4-cell, V_BATT= 3.7V/cell, R_SNS= 20mΩ, T_A= -40°C to +125°C, unless otherwise noted.

Parameter

Symbol Condition

Min

3.3

1.5

Typ

Max Units

Input Power Characteristics

IN under-voltage lockout

(UVLO) threshold

V_{IN_UVLO}V_INfalling

V_INrising

3.6

3.9

2.4

IN UVLO threshold hysteresis

IN vs. BATT headroom

360

V_HDRM

V_INrising

IN vs. BATT headroom

hysteresis

V_INfalling

400

IN over-voltage lockout

(OVLO) threshold

V_{IN_OVLO}V_INrising

V_INfalling

IN OVLO threshold hysteresis

DC/DC Converter

Input shutdown current

I_{IN_SHDN}V_IN= 32V, VLIM = AGND

600

μA

V_IN= 32V, charging is enabled,

I_{IN_Q}

Input quiescent current

4-cell, charging terminated

BATT leakage current in

shutdown mode

I_{BATT_SHDN}V_BATT= 24V, V_IN= PGND

5.5

μA

VCC LDO output voltage

VCC LDO output current limit

Blocking FET on resistance

HS-FET on resistance

V_VCC

I_VCC

V_IN= 24V

4.8

5.2

mΩ

R_{ON_Q1}T_A= 25°C

R_{ON_Q2}T_A= 25°C

R_{ON_Q3}T_A= 25°C

LS-FET on resistance

Constant current charge mode,

T_A= 25°C

4.5

5.5

3.2

6.5

Peak current limit for HS-FET

I_{HS_PK}

Trickle charge or pre-charge,

T_A= 25°C

f_SW= 700kHz

f_SW= 450kHz

690

440

Switching frequency

f_SW

kHz

Battery Charger

Trickle charge to pre-charge

threshold

V_{BATT_TC}

I_TC

1.9

2.0

2.1

V/cell

Trickle charge current

T_A= -20°C to +85°C

100

130

VB = 4.0V, 4.1V, 4.15V, 4.2V,

4.35V, or 4.4V

Pre-charge to fast charge

threshold

2.9

2.3

3.1

2.7

V/cell

V_{BATT_PRE}

VB = 3.6V

2.5

I_PRE= 10% of I_CC,

T_A= -20°C to +85°C

Pre-charge current

I_PRE

I_PRE= 20% of I_CC,

T_A= -20°C to +85°C

Minimum pre-charge current

Fast charge current

I_{PRE_MIN}T_A= -20°C to +85°C

0.9

1.8

100

130

1.1

2.2

R_ISET= 96kΩ

I_CC

R_ISET= 48kΩ

MP2759 Rev. 1.0

11/30/2020

MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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