Specification	TPS922054DRRR

Applications	Lighting, Backlight
Current - Output / Channel	4 A
Dimming	Analog, PWM
Frequency [Max]	2.2 MHz
Frequency [Min]	100 kHz
Internal Switch(s)	True
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Package / Case	12-WFDFN Exposed Pad
Supplier Device Package	12-WSON (3x3)
Topology	Step-Down (Buck)
Type	DC DC Regulator
Voltage - Output [Max]	63 V
Voltage - Output [Min]	0 VDC
Voltage - Supply (Max) [Max]	63 V
Voltage - Supply (Min) [Min]	4.5 V

TPS922054 Series

65-V, 4-A buck LED driver with inductive fast dimming

Part	Internal Switch(s)	Voltage - Supply (Min) [Min]	Mounting Type	Current - Output / Channel	Operating Temperature [Min]	Operating Temperature [Max]	Applications	Number of Outputs	Dimming	Type	Voltage - Output [Max]	Voltage - Output [Min]	Package / Case	Supplier Device Package	Frequency [Min]	Frequency [Max]	Voltage - Supply (Max) [Max]	Topology
Texas Instruments TPS922054DRRR		4.5 V	Surface Mount	4 A	-40 °C	125 ¯C	Backlight Lighting	1	Analog PWM	DC DC Regulator	63 V	0 VDC	12-WFDFN Exposed Pad	12-WSON (3x3)	100 kHz	2.2 MHz	63 V	Step-Down (Buck)

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.91
		10	$ 1.72
		25	$ 1.62
		100	$ 1.38
		250	$ 1.29
		500	$ 1.13
		1000	$ 0.94
	Digi-Reel®	1	$ 1.91
		10	$ 1.72
		25	$ 1.62
		100	$ 1.38
		250	$ 1.29
		500	$ 1.13
		1000	$ 0.94
	Tape & Reel (TR)	3000	$ 0.87
		6000	$ 0.84
Texas Instruments	LARGE T&R	1	$ 1.44
		100	$ 1.19
		250	$ 0.85
		1000	$ 0.64

Description

General part information

TPS922054 Series

The TPS92205x family is a 2A / 4A non-synchronous Buck LED driver with 4.5V to 65V wide input range. By integrating the low-side NMOS switch, the device is capable of driving LEDs as well as charging batteries with high power density and high efficiency. The family also supports common anode connection and single layer PCB design. The switching frequency is configurable from 100kHz to 2.2MHz with optional spread spectrum feature for better EMI performance.

The TPS92205x family supports four dimming options, including analog, PWM, hybrid and flexible dimming. Each dimming method can be configured through the PWM and ADIM input pins by means of simple high and low signals. The family adopts an adaptive off-time current mode control along with smart and accurate sampling to enable inductive fast dimming (IFD) and achieve high dimming accuracy.

The TPS92205x family also provides multiple systematic protections, including LED open and short, sense resistor open and short, configurable thermal foldback and thermal shutdown. A Fault output sends out acknowledge signals as soon as any fault condition is detected.