Overview
The TPS22916BYFPT, produced by Texas Instruments, is a highly efficient, ultra-low leakage load switch designed for a wide range of applications. This device utilizes a low-resistance P-channel MOSFET to minimize power loss and supports operating voltages from 1 V to 5.5 V. The TPS22916BYFPT is available in a compact 0.78 mm × 0.78 mm, 0.4-mm pitch, 0.5-mm height 4-pin Wafer-Chip-Scale (WCSP) package, making it ideal for space-constrained designs. The device is characterized for operation over a temperature range of –40°C to +85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Operating Voltage Range (VIN) | 1 | 5.5 | V | ||
| Maximum Continuous Current (IMAX) | 2 | A | |||
| ON-Resistance (RON) at VIN = 5 V | IOUT = 200 mA | 60 | 80 | 100 | mΩ |
| ON-Resistance (RON) at VIN = 1.8 V | IOUT = 200 mA | 100 | 125 | 150 | mΩ |
| ON-Resistance (RON) at VIN = 1 V | IOUT = 200 mA | 200 | 275 | 325 | mΩ |
| Quiescent Current (IQ) in ON State | Enabled, VOUT = Open | 0.5 | 1.0 | µA | |
| Shutdown Current (ISD) at VIN | Disabled, VOUT = GND | 10 | 100 | nA | |
| Reverse Current Blocking Activation Current (IRCB) | Enabled, VOUT > VIN | -500 | mA | ||
| Quick Output Discharge Resistance (QOD) | Disabled | 150 | Ω |
Key Features
- Ultra-Low Leakage: The device features ultra-low power consumption with quiescent current (IQ) of 0.5 µA (typ.) and shutdown current (ISD) of 10 nA (typ.).
- Low ON-Resistance: ON-resistance (RON) as low as 60 mΩ at VIN = 5 V, ensuring minimal power loss.
- Smart ON Pin Pulldown: A smart pulldown on the ON pin prevents it from floating until system sequencing is complete.
- Multiple Timing Options: Available in fast and slow timing versions to control inrush current, suitable for various capacitive loads.
- Reverse Current Blocking (RCB): Always-ON true RCB prevents reverse current flow when VOUT is greater than VIN.
- Quick Output Discharge (QOD): Prevents the output from floating when the switch is disabled, with a typical discharge resistance of 150 Ω.
- Active High and Active Low Enable Options: Available in both active high and active low enable configurations to suit different system requirements.
Applications
- Wearables: Ideal for power management in wearable devices due to its low power consumption and compact size.
- Smartphones and Tablets: Suitable for battery-powered devices requiring efficient power switching.
- Portable Speakers: Used in audio devices to manage power efficiently and minimize standby current.
Q & A
- What is the input operating voltage range of the TPS22916BYFPT?
The input operating voltage range is from 1 V to 5.5 V.
- What is the maximum continuous current rating of the TPS22916BYFPT?
The maximum continuous current rating is 2 A).
- What is the typical ON-resistance of the TPS22916BYFPT at VIN = 5 V?
The typical ON-resistance is 60 mΩ at VIN = 5 V).
- How does the smart ON pin pulldown work?
The smart ON pin pulldown keeps the ON pin from floating until system sequencing is complete and disconnects once the ON pin is deliberately driven high).
- What are the timing options available for the TPS22916BYFPT?
The device is available in fast and slow timing versions to control inrush current).
- Does the TPS22916BYFPT have reverse current blocking?
Yes, it features always-ON true reverse current blocking (RCB)).
- What is the purpose of the Quick Output Discharge (QOD) feature?
The QOD feature prevents the output from floating when the switch is disabled by connecting a discharge resistor between VOUT and GND).
- What are the enable options available for the TPS22916BYFPT?
The device is available in both active high and active low enable configurations).
- What is the package type and size of the TPS22916BYFPT?
The device is packaged in a 0.78 mm × 0.78 mm, 0.4-mm pitch, 0.5-mm height 4-pin Wafer-Chip-Scale (WCSP) package).
- What is the operating temperature range of the TPS22916BYFPT?
The operating temperature range is from –40°C to +85°C).
