ACPL-W345-060E

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Isolators - Gate Drivers

The ACPL-W345-060E is a highly reliable isolated gate driver that allows designers to harness the benefits of insulated gate bipolar transistors (IGBTs) and insulated gate MOSFETs (IGFETs) such as reduced switching losses, improved reliability, and increased .profile density. This advanced driver is designed to drive the gate of IGBTs, and IGFETs from both 5V and 3V logic systems.

Application Field

ACPL-W345-060E can be used across a wide range of applications, such as motor drives, lighting, solar, factory automation, etc., where galvanic isolation between high-side and low-side gate and control circuits is needed to reduce noise induced failures and ensure reliable operation even on noisy and high voltage industrial networks.

Working Principle

The ACPL-W345-060E utilizes a R6 optical isolation scheme in which a622.11kV/W isolation is provided between the primary side (control circuit) and secondary side (power device gate drive). This isolator provides a minimum of 1kV (10mA at 110℃) of working insulation voltage to protect the gate drive section from surges. The low propagation delay allows for a fast gate drive of the power device. The ACPL-W345-060E driver has a current limit protection feature which prevents an excessive pull-up or pull-down current from flowing into the power device. This helps to prevent device damage due to over current and overvoltage conditions. Moreover, the ACPL-W345-060E is designed to work in harsh environments due to its high motion tolerance, under-voltage lock out protection, and short circuit protection.

In addition to the above, the ACPL-W345-060E driver offers a wide operating temperature range of up to +105°C. This makes it ideal for applications which require a high ambient temperature operation. This isolator also has EMC immunity against electromagnetic fields which ensures reliable operation even in noisy industrial networks.

Conclusion

The ACPL-W345-060E is a highly reliable and advanced isolated gate driver, providing an isolated gate drive for IGBTs and IGFETs. It offers a wide range of features, such as a high motion tolerance, under-voltage lock out protection, and short circuit protection, which make it an ideal choice for harsh environment applications. It also has a robust EMC immunity to reduce noise induced failures and ensure reliable operation even on noisy and high voltage industrial networks.

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