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Key Document
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AN-1742 LM3554 Evaluation Board (Rev. A)
(HTM 8 KB)
30 Apr 2013 323views Read Abstract
Description
Synchronous Boost Converter with 1.2A Dual High Side LED Drivers and I2C-Compatible Interface
Features
- Dual High Side Current Sources
- Grounded Cathode Allowing for Better Heat Sinking and LED Routing
- >90% Efficiency
- Ultra-Small Solution Size: < 23mm2
- Four Operating Modes: Torch, Flash, LED Indicator and Voltage Output
- Accurate and Programmable LED Current from 37.5mA to 1.2A
- Programmable 4.5V or 5.0V Constant Output Voltage
- Hardware Flash and Torch Enable
- LED Thermal Sensing and Current caleback
- Software Selectable Input Voltage Monitor
- Programmable Flash Timeout
- Dual Synchronization Inputs for RF Power Amplifier Pulse Events
- Open and Short LED Detection
- Active High Hardware Enable for Protection Against System Faults
- 400kHz I2C-Compatible Interface
- 16-Bump (1.7mm × 1.7mm × 0.6mm) micro SMD
Order Now
| Part Number | Buy from Texas Instruments | Status | Lead-Free | RoHS |
LM3554TMEEV/NOPB:
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ACTIVE | Yes | Yes |
Technical Documents
User Guides (1)
| Title | Abstract | Type | Size (KB) | Date | Views | TI Recommends |
| 5246 | 30 Apr 2013 | 323 |
Related Products
Software (1)
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LM3554 Graphical User Interface
(ZIP, 58 KB) 103 views, 20 Jul 2012
TI Devices (1)
| Part Number | Name | Product Family | |
|---|---|---|---|
| LM3554 | Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface | LED Driver | |
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