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TPS923652DYYR Datasheet(PDF) 21 Page - Texas Instruments

Part # TPS923652DYYR
Description  TPS92365x 65-V 2-A/4-A Boost/Buck-Boost LED Driver with Inductive Fast Dimming
PDF  38 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS923652DYYR Datasheet(HTML) 21 Page - Texas Instruments

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9.2.1.3 Application Curves
Blue: SW, Red: Inductor Current, Green: LED Current Ripple
(AC)
Figure 9-2. LED Current Ripple at PWMADIM = 10%,
500 Hz and FSW = 400 kHz
Blue: SW, Red: Inductor Current, Green: LED Current Ripple
(AC)
Figure 9-3. LED Current Ripple at PWMADIM =
100%, 500 Hz and FSW = 400 kHz
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-4. LED Current Transient for a PWMADIM
Transition from 10% to 90%, 500 Hz
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-5. LED Current Transient for a PWMADIM
Transition from 100% to 10%, 500 Hz
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-6. Start-Up at PWMADIM = 100%, 500 Hz
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-7. Shutdown at PWMADIM = 100%, 500 Hz
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-8. LED Open-Load Protection
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-9. LED+ Short-to-PGND Protection
Yellow: PWMADIM, Blue: SW, Red: Inductor Current, Green:
LED Current
Figure 9-10. LED+ and LED– Short-Circuit
Protection
Yellow: Fault, Blue: SW, Red: CSP, Green: CSN, Orange:
CSP-CSN
Figure 9-11. Switching FET Short-to-PGND
Protection
Yellow: Fault, Blue: SW, Red: CSP, Green: CSN, Orange:
CSP-CSN
Figure 9-12. Sense-Resistor Open-Load Protection
Yellow: Fault, Blue: SW, Red: CSP, Green: CSN, Orange1:
CSP-CSN, Orange2: COMP, DBlue: Inductor Current
Figure 9-13. Sense-Resistor Short-to-PGND
Protection
9.2.2 TPS923655 24-V Input, 1-A, 16-piece WLED Driver with PWM Dimming
Figure 9-14. 24-V Input, 1-A, 16-piece WLED, PWM Dimming Reference Design
www.ti.com
TPS923652, TPS923653, TPS923654, TPS923655
SLVSGH1 – JUNE 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: TPS923652 TPS923653 TPS923654 TPS923655



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