Design Features; Target Applications - Broadcom ACPL-355JC Reference Manual

ACPL-355JC Reference Manual

1.1 Design Features

The EB1200M62-355JC includes the following main features:
Two isolated ACPL-355JC gate drive optocouplers with the following features:

– 10A peak output current
– 100-kV/μs common mode rejection
– V = 2262V
IORM PK
– Over-current protection (or DESAT)
– Soft shutdown during fault
– Two isolated feedback signals, FAULT (for over-current) and UVLO
A single ACPL-C87B optically isolated amplifier for DC bus voltage measurement:

– 0 to 2V nominal input range
– 100-kHz bandwidth
– 3 to 5.5V wide supply range for the output side
– 15-kV/μs common-mode transient immunity
Electrically and mechanically suitable for 62-mm module FF6MR12KM1 and WAB300M12BM3.

With adjustment of the OC protection and gate resistors, the evaluation board supports the following 62-mm SiC

MOSFET modules:
– FF6MR12KM1
– FF3MR12KM1
– FF2MR12KM1
– WAB300M12BM3
– WAB400M12BM3
DC/DC power supply with current-limit protection and thermal shutdown.

Isolated SMPS for gate drivers.

Access to FAULT and UVLO output signals for protection and control development purposes.

Access to PWM input signals.

Access to current measurements via the ACPL-736J sigma-delta current sensing module:

– ±50-mV linear range (±80-mV full scale)
– 10- to 20-MHz external clock input range
– 1-bit, second-order sigma-delta modulator
– 16-bit resolution, no missing codes
– 80-dB typical SNR, 78-dB typical SNDR
– Sensing range of up to 1000A current together with a 0.05-mΩ shunt

1.2 Target Applications

Broadcom ACPL-355JC gate drive optocouplers target the following applications:
Motor drive for industrial automation and robotics

Power supply and battery charger

Renewable energy inverter and storage

Broadcom
with CTI > 600V
62-mm SiC Module EB1200M62-355JC Evaluation Board
ACPL-355JC-62mmSiC-RM100
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