A8425
A8425 is High Current Photoflash Capacitor Charger manufactured by Allegro MicroSystems.
High Current Photoflash Capacitor Charger with IGBT Driver for Two Li+ Batteries
Features and Benefits
- Wide battery voltage range: 1.5 to 11 V
- Integrated 55 V DMOS switch in very thin profile
3 mm × 3 mm, 0.75 mm nominal height package
- Peak current limit continuously adjustable from 1.0 to 3.2 A
- Output voltage sensing on primary side: no resistor divider required
- >75% efficiency
- Fast charge time
- Charge plete indication
- Flexible, high current IGBT drive
- Independent IGBT driver supply
- Separate sink and source pins with 6 Ω pull-up and
20 Ω pull-down
- Interlocked trigger pin improves noise immunity
- No primary-side Schottky diode needed
Package: 16-contact TQFN...
