Datasheet

www.ti.com Complete Circuit Schematic
Table 1. Bill of Materials for Evaluation Board, V
IN
= 24V, I
LED
= 300mA, No of LED = 2–7
Designator Description Case Size Manufacturer Manufacturer P/N Quantity
LED Micro-Module
U1 PFM-7 Texas Instruments TPS92550 1
Driver
CIN 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
COUT 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
RIADJ 499Ω 0603 Vishay CRCW0603499RFKEA 1
RVREF No connection N/A N/A N/A 0
Table 2. Bill of Materials for Evaluation Board, V
IN
= 24V, I
LED
= 350mA, No of LED = 2–7
Designator Description Case Size Manufacturer Manufacturer P/N Quantity
LED Micro-Module
U1 PFM-7 Texas Instruments TPS92550 1
Driver
CIN 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
COUT 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
RIADJ 0Ω 0603 Vishay CRCW06030000Z0EA 1
RVREF No connection N/A N/A N/A 0
Table 3. Bill of Materials for Evaluation Board, V
IN
= 24V, I
LED
= 450mA, No of LED = 2–7
Designator Description Case Size Manufacturer Manufacturer P/N Quantity
LED Micro-Module
U1 PFM-7 Texas Instruments TPS92550 1
Driver
CIN 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
COUT 2.2 µF, X7R, 100V 1210 Murata GRM32ER72A225KA35L 1
RIADJ 0Ω 0603 Vishay CRCW06030000Z0EA 1
RVREF 10.5kΩ 0603 Vishay CRCW060310K5FKEA 1
Table 4. Example for I
LED
Setting
R
IADJ
(Ω) R
VREF
(Ω) I
LED
(mA)
499 OPEN 300
SHORT OPEN 350
SHORT 10.5k 450
3
SNVA640A–May 2012–Revised May 2013 AN-2208 TPS92550 450mA 36V LED Driver Micro-Module Evaluation Board
Submit Documentation Feedback
Copyright © 2012–2013, Texas Instruments Incorporated