SECO−MDK−4KW−65SPM31−GEVB

www.onsemi.com

4

SPECIFICATION

The specification and main features are elaborated in

Table 1.

Table 1. MDK_SPM31 SPECIFICATIONS

Parameters

Values

Conditions/Comments

INPUT

Voltage DC

200−400 Vdc

Absolute maximum input voltage 410 V

OUTPUT

Power

1 kW (continues)

Input 200−400 Vdc

4 kW (short period)

Maximum operation period 15 min @ Ta = 25°C

Current per IPM Leg

±2.5 Arms / 1 kW

(140 Vrms Phase voltage

and PF 0.98)

Lower output phase voltage will result in higher phase currents for

same power

Module Temperature at 25°C

Ambient

@ 400 Vdc / 1 kW

ripple currents which might increase temperature

@ 400 Vdc / 4 kW

CURRENT FEEDBACK

Current Sensing Resistors

10 mW

Three 10 mW, one for each phase

Op−Amp Power Supply

3.3 V

Generated by the NCP718 LDO

Op−Amp Gain

10

Via resistors

Op−Amp Output Offset

1.65 V

Because of negative current measurement requirement

Current Measurement Resolution

0.016 A / bit

Based on UCB integrated 11 bits ADC NCD98011 [9]

Current Measurement Sampling

Frequency

Up to 2 Msamples/sec

Configurable via the UCB

Measured Current Range

Configured by the shunt resistors and NCS20166 output offset and

gain

Overcurrent Protection

(rise time delay 500 ns)

Configured by the shunt resistors and the − NCS2250SN2T3G −

comparator threshold

DC−LINK VOLTAGE MEASURING

DC−Link Voltage Range

0 V – 483.7 V

DC−Link Voltage Divider Gain

0.0068218

Configured by the voltage divider

DC−Link Voltage Resolution

0.236 V / bit

Based on MDK integrated 11 bits ADC

INVERTER PHASE VOLTAGES MEASURING

Phase Voltages Range

0 V – 241.7 V

Phase Voltages Divider Gain

0.0136495

Configured by the voltage divider

Phase Voltages Resolution

0.472 V / bit

Configured by MDK_SPM31 integrated 11 bits ADC

AUXILIARY POWER SUPPLIES MAXIMUM DEMAND

15 V

4.4 W

Generated by the NCP1063

5 V

2.9 W

Generated by the FAN8303

3.3 V

0.05 W

Generated by the NCP718

CONTROL (Note 1)

UCB

Type of Control (in Flash)

V/f / FOC

Supported Type of Motors

ACIM, PMSM, BLDC

APPLICATION

White Goods (Washers), Industrial Fans, Industrial Automation

1. It comes with a with a graphical user interface that is available through the link in [12]