Scope of this user manual is to provide to the audience instructions on usage of the TLD5190QV device evaluation board TLD5190IVREG-EVAL schematic version S01 PCB version P01. The TLD5190IVREG-EVAL is an evaluation platform for the TLD5190QV, which can work as buck-boost LED driver, or as a voltage regulator.
TLD5190IVREG-EVAL evaluation board User Manual Table of contents Table of contents About this document ......................... 1 Table of contents ........................2 Description ..........................3 Quick start procedure ....................... 4 Setup as LED driver ..........................4 Set up as voltage regulator ........................5 Operating range and power derating ..................
The H-Bridge architecture is among the most efficient buck-boost topologies for high current applications. TLD5190 provides digital and analog dimming control and 2 flags for diagnostic. The TLD5190IVREG-EVAL is an evaluation platform for the TLD5190QV as LED driver or voltage regulator. The default configuration is constant current LED driver with 1.5 A maximum output current.
TLD5190IVREG-EVAL evaluation board User Manual Quick start procedure Quick start procedure Below, step-by-step procedures are laid out for setup and running the TLD5190IVREG-EVAL in all available configurations. Setup as LED driver Configure solder jumper for LED driver configuration: Figure 4...
TLD5190IVREG-EVAL evaluation board User Manual Quick start procedure Set up as voltage regulator Configure solder jumper for VREG (Figure 6), if I > 3 A bypass RSHO with a solder joint on the resistor top Connect J_EN and PWMI jumpers...
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TLD5190IVREG-EVAL evaluation board User Manual Quick start procedure Figure 8 Adjust V using RVOLT Connect the load NOTE: It is possible to adjust output voltage from 0 to full scale (previously set by RVOLT) by rotating RSET, but the best transient response is obtained when analog dimming is set to 100%.
User Manual Operating range and power derating Operating range and power derating The TLD5190IVREG-EVAL has very high efficiency, so it can deliver up to 60 W at the output without a heat sink at T = 25°C, V = 12 V (see Figure 10 for power-derating curve).
TLD5190IVREG-EVAL evaluation board User Manual Electrical characteristics Electrical characteristics Table 1 TLD5190IVREG-EVAL version S01 P01 – electrical characteristics Value Parameter Symbol Unit Note/Test Condition Min. Typ. Max. Input voltage Power derating may occur for < 12 V 41,8 LED driver mode Out voltage –...
TLD5190IVREG-EVAL evaluation board User Manual Revision history Revision history Date of release Description of changes Document version Rev. 1.00 2020-07-22 Initial User Manual User Manual 11 of 12 Rev.1.00 2020-07-22...
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