Preliminary Datasheet

LP78092

LP78092 – 00 Version 1.0 Feb.-2014

www.lowpowersemi.com

Page 2 of 10

Functional Pin Description

Pa c k a g e Ty p e

Pi n C o n f i g u r a t i o n s

TQFN-16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

SET

FB1

EN1

GND

LVIN1 LOUT1 LVIN2 LOUT2

EN2

FB2

BVIN

BVIN

CHRG

CE

STDBY BAT

GND

TOP VIEW

Pin Description

PIN No.

PIN

DESCRIPTION

1

SET

Charge Current Program, Charge Current Monitor and Shutdown Pin. The charge current is pro-

grammed by connecting a 1% resistor(R

pin servos to 2V. In all modes, the voltage on this pin can be used to measure the charge current

2

FB1

Feedback pin for channel 1 LDO. The reference voltage is 0.8V.

3

EN1

Enable pin for channel 1 LDO. Active high.

4

GND

Ground pin.

5

LVIN1

Power supply for channel 1 LDO.

6

LOUT1

Output pin of Channel 1 LDO.

7

LVIN2

Power supply for channel 2 LDO.

8

LOUT2

Output pin of Channel 2 LDO.

9

EN2

Enable pin for channel 2 LDO. Active high.

10

FB2

Feedback pin for channel 2 LDO. The reference voltage is 0.8V.

11,12

BVIN

BVIN is the input power source for charger. Connect to a wall adapter.

13

BAT

BAT is the connection to the battery. Typically a 10µF Tantalum capacitor is needed for stability when

there is no battery attached. When a battery is attached, only a 0.1µF ceramic capacitor is required.

14

STDBY

Open-Drain Complete Status Output. When the battery is charging, the STAT pin is pulled high by an

internal N-channel MOSFET. When the charge cycle is completed, the pin is pulled Low.

15

CHRG

Open-Drain Charge Status Output. When the battery is charging, the STAT pin is pulled low by an

internal N-channel MOSFET. When the charge cycle is completed, the pin is pulled High.

16

CE

Enable charger pin. Active high.