Overview
The TPS22860DBVR, produced by Texas Instruments, is a small, ultra-low leakage current, single-channel load switch. This device is designed to operate over a wide input voltage range of 0 V to VBIAS, with a bias voltage range of 1.65 V to 5.5 V. It supports a maximum continuous current of 200 mA and is controlled by an on/off input (ON) that can interface directly with low-voltage control signals. The TPS22860DBVR is available in two compact packages: 6-pin SOT-23 and SC70, making it suitable for space-constrained applications. The device is characterized for operation over a free-air temperature range of –40°C to 85°C.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VBIAS (Bias Voltage Range) | 1.65 | 5.5 | V | |
| VIN (Input Voltage Range) | 0 | VBIAS | V | |
| VOUT (Output Voltage Range) | 0 | VBIAS | V | |
| IMAX (Maximum Continuous Switch Current) | 200 | mA | ||
| IPLS (Maximum Pulsed Switch Current) | 400 | mA (pulse <300us, 2% duty cycle) | ||
| RON (ON-Resistance) | 0.63 | 1.35 | Ω (dependent on VBIAS and VIN) | |
| TA (Operating Free-Air Temperature Range) | –40 | 85 | °C | |
| TJ (Maximum Junction Temperature) | 125 | °C | ||
| ESD Performance | 2 kV HBM, 1 kV CDM |
Key Features
- Ultra-low leakage current: VIN leakage current = 2 nA, VBIAS leakage current at 5.5 V = 10 nA.
- Small, space-saving 6-pin SOT-23 and SC70 packages.
- Supports up to 200-mA current flow in either direction.
- ON/OFF control input compatible with low-voltage control signals.
- Operating temperature range: –40°C to 85°C.
- High ESD performance: 2 kV HBM and 1 kV CDM.
- Low on-resistance (RON) dependent on VBIAS and VIN.
Applications
- Wearables
- Internet of Things (IoT)
- Wireless Sensor Networks
- General load switching applications to control inrush current.
Q & A
- What is the input voltage range for the TPS22860DBVR?
The input voltage range is from 0 V to VBIAS.
- What is the maximum continuous current the TPS22860DBVR can support?
The device can support a maximum continuous current of 200 mA.
- What are the package options for the TPS22860DBVR?
The device is available in 6-pin SOT-23 and SC70 packages.
- What is the operating temperature range for the TPS22860DBVR?
The operating temperature range is from –40°C to 85°C.
- How is the ON/OFF control input managed?
The ON input controls the load switch with positive logic, and it must not be left floating.
- What is the recommended input capacitor value for load inrush current control?
A 1-µF ceramic capacitor is usually sufficient, but higher values can be used for high-current applications.
- What are the ESD performance ratings for the TPS22860DBVR?
The device has an ESD performance of 2 kV HBM and 1 kV CDM.
- How does the on-resistance (RON) vary with VBIAS and VIN?
The RON is dependent on VBIAS and VIN, with values ranging from 0.63 Ω to 1.35 Ω.
- What are some typical applications for the TPS22860DBVR?
Typical applications include wearables, IoT devices, wireless sensor networks, and general load switching.
- What are the thermal management recommendations for the TPS22860DBVR?
It is recommended to limit the die junction temperature to less than 105°C and use good PCB layout practices to ensure thermal reliability.
