AN-9070 Datasheet, PDF (1/34 Pages) Fairchild Semiconductor – Smart Power Module Motion-SPM™ Products in μMini-DIP SPM® Packages

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AN-9070
Smart Power Module Motion-SPM™ Products in
µMini-DIP SPM^® Packages
Table of Contents
Table of Contents ........................................................................................................................................ 1
Introduction ................................................................................................................................................. 2
Design Concept ....................................................................................................................................... 2
µMini-DIP SPM Technology.................................................................................................................. 2
Power Devices .................................................................................................................................... 2
IGBTs.................................................................................................................................................. 2
FRDs ................................................................................................................................................... 5
Gate Drive IC (HVIC, LVIC)...................................................................................................................... 6
HVIC ....................................................................................................................................................... 6
LVIC ....................................................................................................................................................... 6
Package ................................................................................................................................................... 6
Outline & Pin Description .......................................................................................................................... 7
Outline Drawings .................................................................................................................................... 7
Descriptions of the Input and Output Pins ................................................................................................ 13
Internal Circuit .......................................................................................................................................... 13
Ordering Information ............................................................................................................................ 13
Key Parameter Design Guidance .............................................................................................................. 14
Short-Circuit Current Protection (SCP) ................................................................................................ 14
Selection of Shunt Resistor ....................................................................................................................... 15
Time Constant of Internal Time Delay ................................................................................................. 16
Soft Turn-Off ........................................................................................................................................ 17
Fault Output Circuit .............................................................................................................................. 19
Under-Voltage Lockout Protection (UVLO) ........................................................................................ 20
Circuit of Input Signal (V_IN(H), V_IN(L))................................................................................................... 21
Bootstrap Circuit Design....................................................................................................................... 22
Operation of Bootstrap Circuit.......................................................................................................... 22
Initial Charging of Bootstrap Capacitor ............................................................................................ 22
Selection of Bootstrap Capacitor .......................................................................................................... 24
Calculation Examples of Bootstrap Capacitance .............................................................................. 24
Built-in Bootstrap Diode ....................................................................................................................... 25
Circuit of NTC Thermistor (Monitoring of T_C) .................................................................................... 26
General Application Circuit Example....................................................................................................... 30
Print Circuit Board (PCB ) Layout Guidance ........................................................................................... 31
Packaging Specification ............................................................................................................................ 32
Related Resources ..................................................................................................................................... 34
© 2009 Fairchild Semiconductor Corporation
Rev. 2.0.0 • 12/15/10
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