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IPS161H：Single high-side switch for safety integrity level (SIL2 and SIL3) compliant systems

The IPS161H is a monolithic device which can drive capacitive, resistive or inductive loads with one side connected to ground; it is specifically designed to match safety integrity level (SIL) applications.

Built-in thermal shutdown protects the chip against overtemperature and short-circuit. In order to minimize the power dissipation when the output is shorted, a non-dissipative short-circuit protection (cut-off) is implemented, it limits both the output average current value and, consequently, the device overheating. The DIAG common diagnostic pin reports the thermal shutdown, open load in off-state and cut-off.

Cut-off delay time can be programmed by an external capacitor.

Key Features

• 8 V to 60 V operating voltage range
• Minimum output current limitation: 0.7 A
• Non-dissipative short-circuit protection (cut-off)
• Programmable cut-off delay time using external capacitor
• Diagnostic signalization for: open load in off-state, cut-off and junction thermal shutdown
• Fast demagnetization of inductive load
• Ground disconnection protection
• VCC disconnection protection
• Undervoltage lock-out
• Designed to meet IEC 61131-2
• PSSO12 package

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