Reference Design

IRMCS2013

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24

10. Specifications

°C unless specified

Parameters

Values

Conditions

Input Power

Voltage

22 to 50V

Input current

6.1A rms @nominal output

TA=40

°C, RthSA=1.0 °C/W

Input line impedance

4%

∼8% recommended

Output Power

Watt

350W continuous power

RthSA=1.0

°C/W

Current

6.0 Arms nominal, 18 Arms Overload

3 secs overload

Host interface (SPI)

SCLK,CS,MISO,MOSI, SYNC

3.3V logic level

Isolated, maximum 6MHz

Host interface (RS232C)

Tx, Rx

10V

Maximum 57.6k bps, single ended,

configurable for RS422 up to 1Mbps

Host interface (Parallel Port)

HP_nCS, HP_nOE, HP_nWE,

HP_A, HP_DATA[8]

3.3V

8 bit parallel interface compatible with 8051,

MicroChip, other µP.

D/A

8 bit 4 Channel

0-3.3V output

Output is buffered with 4mA drive capability

A/D

12 bit 2 channel

±10V for reference input, 5V for DC bus

input

Discrete I/O

Input

4 bit, START, STOP, FLTCLR, IFBCAL

5V tolerant, Isolated, Active High logic

Output

3 bit, PWMACTIVE, FAULT, SYNC

Current feedback

Current sensing device

IR2175, direct interface

Resolution

10 bit (7.5 nanoseconds counting

resolution)

133 MHz internal IRMCK201 clock

Latency

8.3 usec

IR2175 PWM output (130 kHz)

Protection

Output current trip level

28A peak,

±10%

Ground fault trip level

28A peak,

±10%

Over-voltage trip level

63.3V

Under-voltage trip level

18.4

Dynamic Brake voltage

DB turn-on voltage

58.7V

DB turn-off voltage

55.6V

Encoder Interface

Incremental encoder

Maximum 2 MHz

All differential signals are converted to single

ended signals including index pulse

Hall A/B/C initialization

Programmable wire saving/dedicated

A/B/C

Power Devices

IRFB59N10D + IR2106

6 MOSFETs + 3 gate drivers

Bootstrap power supply for high side circuit

System environment

Ambient temperature

0 to 40

°C

95%RH max. (non-condensing)

Table 7. IRMCS2013 Electrical Specification