TPS922054
TPS922054 is 65V 2A / 4A Buck LED Driver manufactured by Texas Instruments.
- Part of the TPS922052 comparator family.
- Part of the TPS922052 comparator family.
Features
- 4.5V to 65V wide input range
- LED mon anode connection
- Integrated 150mΩ MOSFET with typical 3A / 6A current limit
- Optional switching frequency: 100k Hz to 2.2MHz
- Spread spectrum for TPS922053 and TPS922055
- Advanced dimming options:
- Analog dimming (256:1)
- Fast PWM dimming (150ns pulse width)
- Hybrid and flexible dimming (2,000:1 at 20k Hz
PWM, 10,000:1 at 4k Hz PWM, 1,000,000:1 at 120Hz PWM)
- CC/CV charging mode
- Full protection features
:
- LED open and short protection
- Switching FET open and short protection
- External ponent failure protection
- Cycle-by-cycle current limit
- Thermal shutdown
- Fault output (open drain)
- Configurable thermal foldback curve
- VSON, WSON and SOT23 package options
2 Applications
- Constant illumination:
- Indoor, outdoor, professional lighting
- Medical, surgical lighting
- Projector, laser TV, printer, IP camera
- Instant illumination:
- Machine vision, camera flash
- Fire alarm, strobe
- CC and CV source:
- LCD backlighting
- Battery charging
- TEC control
VIN: 4.5~65V
CVCC
RTEMP
TPS922052/3/4/5...
