SLUUBM0D May   2017  – October 2020 TPS92518 , TPS92518-Q1 , TPS92518HV , TPS92518HV-Q1

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Typical Applications
    2. 1.2 Connector Description
  3. 2Performance Specifications
  4. 3Performance Data and Typical Characteristic Curves
    1. 3.1 Startup Waveforms
      1. 3.1.1 Startup After SPI Enable Command
      2. 3.1.2 Startup on Hardware Enable Pin Transition
    2. 3.2 Shutdown Waveforms
      1. 3.2.1 Shutdown After SPI Disable
      2. 3.2.2 Shutdown After Hardware Enable Pin Transition
    3. 3.3 Current Sharing
    4. 3.4 Diode and Boot Capacitor Current
      1. 3.4.1 Diode, Inductor, and Boot Capacitor Current at Low Output Current
      2. 3.4.2 Diode, Inductor, and Boot Capacitor Current at High Output Current
      3. 3.4.3 Shunt FET Dimming
      4. 3.4.4 Undervoltage Lockout Description
  5. 4Schematic, PCB Layout, and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Layout
    3. 4.3 Bill of Materials
  6. 5Software
    1. 5.1 TPS92518 Demonstration Kit Software Installation
      1. 5.1.1 Windows 10
  7. 6Use of LEDSPIMCUEVM-879 Microcontroller Board for SPI Communications with the TPS92518
  8. 7Revision History

4.3 Bill of Materials

Table 4-1 lists the TPS92518EVM-878 bill of materials.

Table 4-1 TPS92518EVM-878 Bill of Materials
DesignatorQtyValueDescriptionPackage ReferencePart NumberManufacturer
(none)1Printed Circuit BoardPWR878Any
C2, C3, C4, C5, C6, C7, C8, C9, C22, C23, C27112.2 µFCapacitor, Ceramic, 2.2 µF, 100 V, ±10%, X7R, AEC-Q200 Grade 1,CGA6N3X7R2A225K230ABTDK
C10, C1320.1 µFCapacitor, Ceramic, 0.1 µF, 16 V, ±10%, X7R, 06030603GCM188R71C104KA37DMurata
C11, C1222.2 µFCapacitor, Ceramic, 2.2 µF, 16 V, ±10%, X7R, 08050805GCM21BR71C225KA64LMurata
C14, C15, C17, C1841 µFCapacitor, Ceramic, 1 µF, 100 V, ±10%, X7R, 12061206GCM31CR72A105KA03LMurata
D1, D22100 VDiode, Switching, 100 V, 0.2 A, SOD-123SOD-123MMSD4148T1GON Semiconductor
D3, D42100 VDiode, Schottky, 100 V, 3 A, SMCSMCSS3H10HE3_A/IVishay-Siliconix
D51100 VDiode, Schottky, 100 V, 0.25 A, SOD-323FSOD-323FBAT46WJ,115NXP Semiconductor
H1, H2, H3, H44Bumpon, Hemisphere, 0.44 mm x 0.20 mm, ClearTransparent BumponSJ-5303 (CLEAR)3M
J1, J52Header, 2.54 mm, 3 x 1, THHeader, 2.54 mm, 3 x 1, TH22-11-2032Molex
J2, J32Header, 2.54 mm, 2 x 1, Vertical, THHeader, 2.54 mm, 2 x 1, TH22-23-2021Molex
J41Header, 100 mil, 5 x 1, Gold, TH5 x 1 HeaderTSW-105-07-G-SSamtec
J6, J7, J12, J13, J145Header, 100 mil, 2 x 1, Gold, TH2 x 1 HeaderTSW-102-07-G-SSamtec
J81Header, 100 mil, 3 x 2, Gold, TH3 x 2 HeaderTSW-103-07-G-DSamtec
J91Header, 100 mil, 4 x 2, Gold, TH4 x 2 HeaderTSW-104-07-G-DSamtec
J101Header, 2.54 mm, 10 x 2, Tin, R/A, THHeader, 2.54 mm, 10 x 2, R/A, THTSW-110-08-T-D-RASamtec
J111Receptacle, 2.54 mm, 10 x 2, Gold, R/A, THReceptacle, 2.54 mm, 10 x 2, R/A, THSSW-110-02-G-D-RASamtec
L1, L22100 µHInductor, Shielded, Ferrite, 100 µH, 2 A, 0.108 ohm, AEC-Q200 Grade 0, SMD12.8 x 12.5 mmMDH12577C-101MA=P3Murata
L1, L20100 µHAlternate: Inductor, Ferrite, 100 µH, 2.2A, 0.12 ohm, AEC-Q200 Grade 0, SMD12.8 x 12.0 mm7847709101Wurth
Q1, Q22100 VMOSFET, N-CH, 100 V, 20 A, AEC-Q101, 8-PowerVDFN8-PowerVDFNSTL8N10LF3STMicroelectronics
R2120.0 kΩResistor, 20.0 kΩ, 1%, 0.125 W, 08050805CRCW080520K0FKEAVishay-Dale
R7, R820.15 ΩResistor, 0.15 Ω, 1%, 1/2W, 12061206 (3216 Metric)ERJ-8BSFR15VPanasonic Electronic Components
R10, R16, R1730 ΩResistor, 0 Ω, 5%, 0.1 W, 06030603CRCW06030000Z0EAVishay-Dale
R1112.2 kΩResistor, 2.2 kΩ, 5%, 0.1 W, 06030603CRCW06032K20JNEAVishay-Dale
R1214.7 kΩResistor, 4.7 kΩ, 5%, 0.1 W, 06030603CRCW06034K70JNEAVishay-Dale
R13, R1424.75 ΩResistor, 4.75 Ω, 1%, 0.1 W, 06030603CRCW06034R75FKEAVishay-Dale
R1510 ΩResistor, 0 Ω, 5%, 0.25 W, 12061206CRCW12060000Z0EAVishay-Dale
SH-J6, SH-J8, SH-J9, SH-J12, SH-J135Shunt, 2.54 mm, Gold, BlackShunt, 2.54 mm, Black60900213421Wurth Elektronik
TP1, TP2, TP3, TP4, TP5, TP6, TP77OrangeTest Point, Compact, Orange, THOrange Compact Testpoint5008Keystone
TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP158DoubleTerminal, Turret, TH, DoubleKeystone1502-21502-2Keystone
U1165V Automotive Dual Buck LED Controller with SPI Interface, PWP0024J (TSSOP-24)PWP0024JTPS92518QPWPRQ1Texas Instruments
C1, C16, C21, C25, C2600.1 µFCapacitor, Ceramic, 0.1 µF, 16 V, ±10%, X7R, 06030603GCM188R71C104KA37DMurata
C19, C2000.01 µFCapacitor, Ceramic, 0.01 µF, 100 V, ±10%, X7R, 06030603GCM188R72A103KA37DMurata
FID1, FID2, FID30Fiducial mark. There is nothing to buy or mount.FiducialN/AN/A
R1080.6 kΩResistor, 80.6 kΩ, 1%, 0.1 W, 06030603CRCW060380K6FKEAVishay-Dale
R3, R401.00 kΩResistor, 1.00 kΩ, 1%, 0.125 W, 08050805CRCW08051K00FKEAVishay-Dale
R500 ΩResistor, 0 Ω, 5%, 0.1 W, 06030603CRCW06030000Z0EAVishay-Dale