The LM3554 is a 2-MHz fixed-frequency, current-mode synchronous boost converter designed for driving high-current white LEDs with a total output of 1.2 A. It features dual 600-mA constant-current drivers and can also serve as a regulated 4.5-V or 5-V voltage source. The device includes an I¬=C-compatible interface for controlling LED current and output voltage, along with a hardware flash enable input for direct triggering of flash pulses. Protection features include a software-selectable input voltage monitor, an internal comparator for external temperature sensing, selectable current limits to manage battery current, overvoltage protection for LED open circuits, and output short-circuit protection. The LM3554 operates efficiently with over 90% efficiency and is packaged in a compact 16-pin DSBGA format, making it suitable for space-constrained applications. It is rated for operation in temperatures ranging from -30¬8C to 85¬8C.
Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface 16-DSBGA -30 to 85
LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) I²C Dimming 600mA (Flash) 16-DSBGA
LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) I²C Dimming 600mA (Flash) 16-DSBGA
LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) I²C Dimming 600mA (Flash) 16-DSBGA
Manufacturer: Texas Instruments
Win Source Part Number: 002555-LM3554TMX/NOP
Packaging: Reel - TR
Type: DC DC Regulator
Applications: Camera Flash
Mounting: SMD (SMT)
Frequency: 2MHz
Internal Switch(s): Yes
Topology: Step-Up (Boost)
Number of Outputs: 2
Dimming: I2C
Output Voltage: 5V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -30°C to 85°C (TA)
Case / Package: 16-DSBGA
Maximum Supply Voltage: 5.5V
Operating Input Voltage(Min): 2.5V
Channel Output Current: 600mA (Flash)
Popularity: Medium
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Balance
Synchronous boost converter with 1.2A dual high side LED driver and I2C compatible interface 16-DSBGA -30 to 85 Product overview: LM3554TMX/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Dual, Boost, 1.2A. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, Dual, Boost, 1.2A, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LM3554TMX/NOPB can be used for catalog matching and distributor lookup.
LED Lighting Drivers Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface 16-DSBGA -30 to 85
IC LED DRIVER RGLTR DIM 16DSBGA
IC LED DRVR RGLTR I2C 16DSBGA
| Texas Instruments | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LM3554TMX/NOPB | 296-35278-2-ND | 002555-LM3554TMX/NOPB | 137-LM3554TMX/NOPB | LM3554TMX/NOPB | LM3554TMX/NOPB | LM3554TMX/NOPB |
| Product Name | LM3554 Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface | LED Drivers | PMIC - PMIC - LED Drivers - LM3554TMX/NOPB | Dual Boost 1.2A LED Driver IC | LED Lighting Drivers | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | ||||
| Input Voltage | 2.7 to 5.5 volts | 2.5 to 5.5 volts | 2.5 volts | 2.5 to 5.5 volts | |||
| Output Current | ? to 1200 milliamps | 600 milliamps | 600 milliamps | 600 milliamps | |||
| Package Type | DSBGA | 16-DSBGA |
