Datasheet > AAT3783IRN-4.2-T1

AAT3783IRN-4.2-T1

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
20页	408K
描述
1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

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PRODUCT DATASHEET

AAT3783

BatteryManager^TM1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

Electrical Characteristics¹

V_IN= 5V, T_A= -40°C to +85°C; unless otherwise noted, typical values are at T_A= 25°C.

Symbol Description

Operation

Conditions

Min

Typ

Max Units

V_{IN_MAX}

V_IN

Input Over-Voltage Protection Range

Normal Operating Input Voltage Range

7.5

4.0

Over-Voltage Protection

Under-Voltage Lockout Threshold

Rising Edge

V_UVLO

UVLO Hysteresis

V_IN= 5V, ENOVP = 0V, I_OUT= 0,

ENCHG = 0V

ENOVP = V_IN= 5.5V, V_OUT= 0V,

ENCHG = 0V

I_Q

Operating Quiescent Current

μA

I_SD(OFF)

V_OVPT

Shutdown Supply Current

μA

Over-Voltage Protection Trip Voltage

Rising Edge, OVP = Not Connected

6.5

Battery Charger

Under-Voltage Lockout Threshold

UVLO Hysteresis

Adapter Present Indicator Threshold

Voltage, V_IN- V_BAT

Rising Edge

V_UVLO

V_{ADPP_TH}

I_OP

150

V_IN> V_UVLO

150

Charge Current = 100mA,

ENOVP = 0V, ENCHG = V_IN

Operating Current

0.5

I_SHUTDOWN

I_BAT

Shutdown Mode Current

Leakage Current from BAT Pin

V_BAT= 4.25V, ENOVP = ENCHG = 0V²

V_BAT= 4V, ENOVP = V_IN

0.4

μA

Voltage Regulation

V_{BAT_EOC}

ΔV_CH/V_CH

V_MIN

Output Charge Voltage Regulation

Output Charge Voltage Tolerance

Preconditioning Voltage Threshold

4.158

2.5

4.20

0.5

2.6

4.242

2.7

(Option available for no trickle charge)

V_{BAT_EOC}

0.1

V_RCH

Battery Recharge Voltage Threshold

Current Regulation

I_{CC_RANGE}

I_{CH_CC}

V_ISET

Charge Current Programmable Range

Constant-Current Mode Charge Current

ISET Pin Voltage

100

-10

1000

V_BAT= 3.6V

KI_SET

V_TERM

Charge Current Set Factor: I_{CH_CC}/I_ISET

TERM Pin Voltage

Constant Current Mode, V_BAT= 3.6V

R_TERM= 13.3kΩ

800

0.2

I_{CH_CC}

I_{CH_TRK}

Trickle Charge Current

I_{CH_CC}

TERM Pin Open

I_{CH_TERM}

Charge Termination Threshold Current

R_TERM= 13.3 kΩ, I_{CH_CC}≥ 800mA

Battery Charging Device

R_DS(ON)Total ON Resistance (IN to BAT)

V_IN= 5V, I_OUT= 1A

550

mΩ

1. The AAT3783 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization and correla-

tion with statistical process controls.

2. Current into charge.

w w w . a n a l o g i c t e c h . c o m

3783.2007.12.1.0

1 2 345 6 7...20

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