| Part number | SY22152DEC |
|---|---|
| Description | 1.5A flash LED driver, Sync. boost, PWM dimming |
| Channel(#) | 1 |
| Topology | Boost |
| Dimming mode | PWM |
| Fsw(kHz) | 2000 |
| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 5.5 |
| Iout (max) (A) | 1.5A |
| Package | DFN2×2-6 |
| Application | Flash LED driver |
· Input voltage range: 2.7V to 5.5V
· 2MHz switching frequency to achieve small total solution size
· Drive up to 1.5A LED flash current
· Drive up to 300mA LED torch current
· Dimming frequency: 20kHz~200kHz
· Timeout function in flash mode
· Independent flash mode enable and torch mode enable pins
· Low RDS(ON) of internal FET: 180mΩ for PFET and 150mΩ for NFET
· LED open/short protection
· Over-voltage protection
· 0.1 μA shutdown current
· Thermal shutdown
· -40 to +85 C° temperature range
· Pb-free package: TSOT23-6, DFN2×2-6
The SY22152 is a high efficiency, 2 MHz frequency synchronous boost converter with 1.5A constant current drivers for high current white LED. SY22152 could operate in torch mode or flash mode. It is an ideal power solution for WLED photo flash applications within small PCB layout dimension and used in Lithium-ion/polymer battery operated products.
| Title | Date |
|---|---|
| Silergy_Catalog_Q3_2026 | 2026-11-04 |
