RT9526GQWA 데이터 시트보기 (PDF) - Richtek Technology

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RT9526GQWA

Linear Single Cell Li-Ion Battery Charger with Input Over Voltage Protection

Richtek Technology 

RT9526

Marking Information

RT9526GE

EX=DNN

EN= : Product Code

DNN : Date Code

RT9526GQW

JJ : Product Code

JJW

W : Date Code

RT9526GQWA

04 : Product Code

04W

W : Date Code

Typical Application Circuit

Adapter or USB

VIN

BATT

CIN

RT9526

RISET

RIMIN

ISET

IMIN

GND

ENB

PGB

CHG_SB

COUT

R1

VBATT

R2

VBATT

Function Pin Description

SOT-26-6

3

Pin No.

WDFN-8L 2x2 /

WDFN-8L 2x3

1

--

2

1

3

--

4

2

5,

9 (Exposed Pad)

6

6

5

7

Pin Name

Pin Function

VIN

PGB

CHG_SB

ENB

GND

IMIN

ISET

Supply Voltage Input. VIN can withstand up to 28V input.

Power Good Indicator. This pin connects to VIN with 10SL

N-MOSFET as power good condition.

Charge Status Indicator Output (Open drain). Indicate low when

battery is charging; indicate high when battery charging finished or

any fault happened.

Charge Enable (Active Low). Connect this pin with 200kΩ pull low

resistor.

Ground. The exposed pad must be soldered to a large PCB and

connected to GND for maximum power dissipation.

EOC Current Setting Pin.

Charge Current Set Point.

4

8

BATT

Battery Charge Current Output.

www.richtek.com

2

DS9526-01 April 2011

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