RT9526A

2

DS9526A-03 July 2014

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Copyright

2014 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Function Pin Description

Pin No.

Pin Name

Pin Function

WDFN-8L 2x3

SOT-23-6

1

3

VIN

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

2

--

PGB

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

as power good condition.

3

1

CHG_SB

Charge Status Indicator Output (Open-Drain). Indicate low when

battery is charging; indicate high when battery charging finished or any

fault happened.

4

--

ENB

Enable Control Input (Active Low). Connect this pin with a 200k



pull-low resistor.

5,

9 (Exposed Pad)

2

GND

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

connected to GND for maximum power dissipation.

6

6

IMIN

EOC Current Setting.

7

5

ISET

Charge Current Set Point.

8

4

BATT

Battery Charge Current Output.

Pin Configurations

(TOP VIEW)

WDFN-8L 2x3

VIN

ENB

PGB

BATT

ISET

IMIN

GND

CHG_SB

9

7

6

5

1

2

3

4

8

SOT-23-6

CHG_SB GND VIN

IMIN ISET BATT

4

23

5

6

Marking Information

05 : Product Code

W : Date Code

05W

0X=DNN

RT9526AGQW

RT9526AGE

0X= : Product Code

DNN : Date Code