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Product Attributes

Introduction

The TPS1641x family are integrated eFuse devices with accurate power limit or current limit. The device family provides robust protection with integrated overcurrent protection, overvoltage protection, IN to OUT short detection, and overtemperature protection.

TPS16410, TPS16411, TPS16414, and TPS16415 devices provide ±5% power limiting at 15 W for loads and it also provide configurable blanking time for transient overload or overcurrent events. TPS16410, TPS16411, TPS16414, and TPS16415 can be used in low power circuits (LPCs) for 15-W power limiting as per IEC60335 and UL60730 standards. TPS1641x devices provide protection from adjacent pin short and pin short to GND faults.

Applications such as backplane power protection in PLC and DCS modules configure the current limit with a resistor on the ILIM pin. TPS16412, TPS16413, TPS16416, and TPS16417 devices provide ±6% current limiting at 1 A for loads and also provide output slew rate control with dVdT pin to charge large capacitive loads at power up.

TPS1641x features IN to OUT short detection and indicate IN to OUT short on the FLT (overline) pin. The FLT (overline) pin either provides to MCU as digital input or to drive an external PFET.

The devices are characterized for operation over a junction temperature range of -40℃ to +125℃.

Features

• Operating voltage range (IN): – 4.5 V to 40 V (power limit devices) – 2.7 V to 40 V (current limit devices)
• Withstands negative voltages up to -1 V at output
• Ultra-low ON-resistance: R₀ₙ = 152 mΩ (typ.)
• 2-W to 64-W power limiting
• 0.03-A to 1.8-A current limiting
• IN to OUT short detection and indication on FLT pin
• FLT output for diagnostics and driving external PFET
• ±5% accurate power limit at 15 W (power limit devices)
• ±6% accurate current limit at 1 A (current limit devices)
• Configurable overvoltage protection
• Configurable overcurrent protection (Iₒₚₚ)
• Configurable blanking time for transient currents
• Overvoltage protection up to 60 V with external FET
• Adjustable output slew rate control (dVdt) for inrush current protection
• Enable and shutdown control
• Output load current monitoring on IOCP pin
• Overtemperature protection (OTP) with thermal shutdown
• Small footprint: QFN 3x3 mm, 0.5 mm pitch

Applications

• Refrigerator and freezer
• Oven
• Dishwasher
• HVAC valve and actuator control
• Ventilators
• Anesthesia delivery systems