DRV101T

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	DRV101
Supplier Device Package:	TO-220-7
Package / Case:	TO-220-7 (Formed Leads)
Operating Temperature:	-55°C ~ 125°C (TA)
Fault Protection:	Current Limiting (Fixed), Over Temperature
Features:	Internal PWM, Status Flag
Input Type:	Non-Inverting
Rds On (Typ):	--
Current - Output (Max):	1.9A
Series:	--
Voltage - Load:	9 V ~ 60 V
Interface:	On/Off
Output Type:	Bipolar
Output Configuration:	Low Side
Ratio - Input:Output:	1:1
Number of Outputs:	1
Switch Type:	Relay, Solenoid Driver
Part Status:	Active
Packaging:	Tube

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DRV101T Application Field and Working Principle

DRV101T is a power management integrated circuit (PMIC) designed to allow high-side load switching, current limiting, and system protection. It is primarily used as a load driver but can be used in many other types of applications. The DRV101T is designed to provide system-level power protection and flexibility. This PMIC is ideal for microprocessor–based systems and devices that require high-side load switching, current limiting, and system protection.

Power Distribution Switch

The DRV101T operates as a power distribution switch. It features an internal pull–up resistor that can be used to switch power from a higher voltage source to a lower voltage load. The pull–up resistor is capable of supplying up to 24V. This enables the device to supply power to a wide range of loads, from device power supplies to subsystems. The DRV101T also features an internal pull–down resistor that can be used to switch power from a lower voltage source to a higher voltage load. The pull-down resistor is capable of supplying up to 10V, allowing the device to switch power from a low voltage source to a higher voltage load.

Load Driver

The DRV101T also serves as a load driver. It features an output stage driver that can supply up to 1.2A of current, allowing the device to drive digital loads, such as LEDs, circuit board relays, and motors. The device also contains an integrated overcurrent protection circuit, which will shut down the device if the output current exceeds a pre-set level. This protects the device from damage and reduces system downtime.

System Protection

For system level protection, the DRV101T features an open-drain output. This output can be used to activate a system-level fault signal. The open-drain output will pull low when an overcurrent fault is detected, indicating a fault condition and allowing the system to respond accordingly.

Conclusion

The DRV101T is a powerful and versatile PMIC that can be used as a power distribution switch, a load driver, and a system protection device. Its internal pull–up and pull–down resistors allow it to switch power from higher voltage sources to lower voltage loads, and vice versa. Its output stage driver can drive a wide range of digital loads, while its overcurrent protection circuit prevents damage to the device. Finally, its open-drain output can be used to activate a system-level fault signal, allowing the system to respond to fault conditions.

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