AN-9075 datasheet(2/32 Pages) FAIRCHILD

2 / 32 page

AN-9075

APPLICATION NOTE

www.fairchildsemi.com

Rev. 1.3

• 5/12/16

Introduction

This application note supports the 1200-V rated Motion

SPM

® family. It should be used in conjunction with Motion

SPM 2 datasheets, Fairchild’s Motion SPM evaluation

board user guides (FEB212_001), and application notes

AN-9079

— Thermal Performance Information and

AN-9076 — Mounting Guidance.

1.1 Design Concept

Minimized package and a low power consumption module

with improved reliability. This is achieved by applying a

new 1200 V gate-driving high-voltage integrated circuit

(HVIC), a new insulated-gate bipolar transistor (IGBT) of

advanced silicon technology, and improved direct bonded

copper (DBC) substrate base transfer mold package. Motion

SPM 2 achieves reduced board size and improved reliability

compared to existing discrete solutions. Target applications

are inverterized motor drives for industrial use, such as air

conditioners, general-purpose inverters, and serve motors.

A design advantage integrates an NTC thermistor for

temperature measuring of power chips (e.g. IGBTs, Fast-

Recovery Diode (FRDs) on the same substrate. Most

customers want to know the exact temperature of power

chips because temperature affects the quality, reliability, and

longevity of products. This desire is thwarted because

integrated power chips (e.g. IGBTs, FRD) inside modules

operate in high-voltage conditions. Therefore, instead of

directly sensing the temperature of power chips, customers

have been using an external NTC thermistor for sensing the

temperature of the module or heat-sink. This method doesn’t

accurately reflect the temperature of power components due

to cost, but is simple. The NTC thermistor of the Motion

SPM 2 is integrated with the power chips on the same

ceramic substrate and therefore more accurately reflects the

temperature of power chips.

Figure 1. External View and Internal Structure of Motion SPM 2 Series

Table 1. Product Line-up and Target Application

Target Application

Fairchild Device

IGBT Rating

Motor Rating

(1)

Isolation Voltage

Motor drives for industrial use,

System air conditioners,

General-purpose inverters,

Servo motors

FNA21012A

10 A / 1200 V

1.5 kW / 440 VAC

VISO = 2500 VRMS

(Sine 60 Hz, 1-min.

All Shorted Pins Heat

Sink)

FNA22512A

25 A / 1200 V

3.7 kW / 440 VAC

FNA23512A

35 A / 1200 V

5.5 kW / 440 VAC

Note:

These motor ratings are simulation results under following conditions: VAC=440 V, VDD=15 V, TC=100°C, Tj= 150°C,

fPWM=5kHz, PF=0.8, MI=0.9, Motor efficiency=0.75, overload 150% for 1min.

These motor ratings are general ratings, so may be changed by conditions.

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