Texas Instruments UCC14240-Q1 Bias-Supply Manuals

Manuals and User Guides for Texas Instruments UCC14240-Q1 Bias-Supply. We have 1 Texas Instruments UCC14240-Q1 Bias-Supply manual available for free PDF download: User Manual

Texas Instruments UCC14240-Q1 User Manual (37 pages)

for Biasing Traction Inverter Gate Driver ICs Requiring Single, Positive or Dual, Positive/Negative Bias Power

Brand: Texas Instruments | Category: Motherboard | Size: 2.36 MB

Table of Contents
1
Introduction
3
U1 Component Selection
3
Pin Configuration and Functions
3
Figure 1-1. DWN Package, 36-Pin SSOP
3
Table 1-1. Ucc1424X-Q1 Version Differences
3
Table 1-2. Pin Functions
4
Description
5
Figure 2-1. UCC14240EVM-052, HVP052A, Top View
5
Figure 2-2. UCC14240EVM-052, HVP052A, Bottom View
5
EVM Electrical Performance Specifications
6
Table 2-1. EVM Electrical Specifications
6
Schematic
7
Figure 3-1. UCC14240EVM-052 Schematic Diagram
7
EVM Setup and Operation
8
Recommended Test Equipment
8
External Connections for Easy Evaluation
8
Figure 4-1. Typical Efficiency Measurement
8
Powering the EVM
9
EVM Test Points
10
Table 4-1. Input, Output, Test Point (I/O/TP) Description
10
Probing the EVM
11
Figure 4-2. UCC14240EVM-052, PCB Scope Probe Test Points
11
Performance Data
12
Efficiency Data
12
Figure 5-1. Measured Efficiency, VDD-VEE Loading Only
12
Table 5-1. Efficiency Test Data (VIN = 21 V)
12
Table 5-2. Efficiency Test Data (VIN = 24 V)
13
Table 5-3. Efficiency Test Data (VIN = 27 V)
13
Regulation Data
14
Figure 5-2. Regulation Vs Power, VDD-VEE Loading Only
14
Figure 5-3. Regulation Vs Current, VDD-VEE Loading Only
14
IVDD-Vee
14
Steady State Input Current
15
Start-Up Waveforms
15
Figure 5-4. Input Current Vs Power, VDD-VEE Loading Only
15
Figure 5-5. Start-Up 1: VIN=24 V, I
15
Figure 5-6. Start-Up 2: VIN=24 V, I
16
Figure 5-7. Start-Up 3: VIN=24 V, I
16
VDD-VEE = 80 Ma
16
Inrush Current
17
Figure 5-8. Start-Up 4: VIN=24 V, IISO
17
Figure 5-9. Inrush Current: VIN=24 V, I
17
AC Ripple Voltage
18
Figure 5-10. Inrush Current: VIN=24 V, I
18
Figure 5-11. VDD AC =300 MV, VEE AC =108 MV, IVDD =80 Ma, IVEE =10 Ma
18
Figure 5-12. AC Ripple: VIN=24 V, IVDD=80 Ma, IVEE=10 Ma, FSSM = 5 Khz
19
Figure 5-13. AC Ripple: VIN=24 V, IVDD=80 Ma, IVEE=10 Ma, FMOD=45 Khz
19
Figure 5-14. AC Ripple: VIN=24 V, IVDD=80 Ma, FSW(PRI)=12.95 Khz
20
Figure 5-15. AC Ripple: VIN=24 V, IVDD=80 Ma, FBURST=1 Mhz
20
Rlim
21
Figure 5-16. ENA to /PG Delay, 3.9 Ms, I
21
Figure 5-17. RLIM: VIN=24 V, I
21
Figure 5-18. RLIM: VIN=24 V, I
22
Figure 5-19. RLIM: VIN=24 V, I
22
Fault Protection
23
Figure 5-20. Output UVLO, PVDD=0 Mw, PVEE = 73 Mw
23
Figure 5-21. VEE OVP, VIN=24 V, PVDD=247 Mw, PVEE
24
Figure 5-22. Normal Start, VIN=24 V, PVDD=247 Mw, PVEE
24
Shutdown
25
Figure 5-23. Shutdown by VIN Removal: VIN
25
Figure 5-24. Shutdown by en Low: VIN=24 V, I
25
Thermal Performance
26
Figure 5-25. Steady State, PMAX =2 W
26
Figure 5-26. Rated Power, P=1.65 W
26
Assembly and Printed Circuit Board (PCB) Layers
27
Figure 6-1. UCC14240EVM-052, Fully Assembled 3D Top View
27
Figure 6-2. UCC14240EVM-052, Fully Assembled 3D Bottom View
27
Figure 6-3. UCC14240EVM-052, 3D Angle View
27
Figure 6-4. UCC14240EVM-052, PCB Top Layer, Assembly
28
Figure 6-5. UCC14240EVM-052, GND Layer 2 (same as Layer 3)
28
Figure 6-6. UCC14240EVM-052, GND Layer 3 (same as Layer 2)
29
Figure 6-7. UCC14240EVM-052, PCB Bottom Layer, Assembly (Mirrored View)
29
Bill of Materials (BOM)
30
Table 7-1. UCC14240EVM-052 BOM
30
Revision History
31

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