RT9591 View Datasheet(PDF) - Richtek Technology

Part Name

Description

View to exact match

RT9591

Smart Photoflash Capacitor Charger with IGBT Driver

Richtek Technology 

RT9591

Typical Application Circuit

Preliminary

VBAT

1.8V to 6.5V

R6

1.5M

Delta

86A-3145

T1

1 : 15

CIN

10uF SW

AO3400

Q1

VDD

3.3V

16 3

10

R7 1M

8 FBVD

5 VDD

DRVIN 14 Strobe

1uF

R8

100k

RT9591 VDRV 11

12

DRVOUT

7 STAT

6 CHARGE

2 PGND

GNDDRV 13

1

FB

9

15 4

R4

1M

R5

2M

VOUT

GSD2004S

R1

150k

0805

R2

5V

150k

0805

COUT

100uF/

300V

0.1uF

R3

1k

Figure 1. Photoflash Capacitor Charger Application

VBAT

1.8V to 6.5V

VDD

3.3V 1uF

ASATECH

ST-532553A

T1

1 : 14

CIN

10uF SW

AO3400

Q1

16 3

10

8

FBVD

5

VDD

DRVIN 14 Strobe

R8

RT9591

VDRV 11

12

100k

DRVOUT

7 STAT

6 CHARGE

2

PGND

13

GNDDRV

1

FB

9

15 4

R4

560k

VOUT

GSD2004S

R1

150k

0805

R2

5V

150k

0805

COUT

47uF/

300V

0.1uF

R3

1k

Flash-Tube

Flash-Tube

www.richtek.com

2

Figure 2. Photoflash Capacitor Charger Application for Low Charging Current

Patent Pending

DS9591-07 August 2007

Share Link: