Overview
The TMUX7211PWR, produced by Texas Instruments, is a complementary metal-oxide semiconductor (CMOS) switch designed for high precision and reliability. This device is part of the precision switches and multiplexers family and features four independently selectable 1:1, single-pole, single-throw (SPST) switch channels. It operates with a single supply (4.5V to 44V), dual supplies (±4.5V to ±22V), or asymmetric supplies, making it versatile for various applications. The TMUX7211PWR is known for its low on-resistance, high current support, and latch-up immunity, ensuring robust performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Power Supply Voltage Differential | 4.5 to 44 | V | VDD - VSS |
| Positive Power Supply Voltage | 4.5 to 44 | V | VDD |
| Signal Path Input/Output Voltage | VSS to VDD | V | Source or Drain Pin |
| Logic Control Input Voltage | 0 to 44 | V | VSEL or VEN |
| Source or Drain Continuous Current | Up to 220 mA (TSSOP) | mA | Dependent on supply voltage and temperature |
| Operating Temperature | -40°C to +125°C | °C | Ambient temperature |
| On-Resistance | 2Ω | Ω | Typical at VDD = 44V, VSS = 0V |
| Turn-On Time | 100 to 225 ns | ns | Dependent on temperature and supply voltage |
| Turn-Off Time | 80 to 240 ns | ns | Dependent on temperature and supply voltage |
| ESD Ratings | ±2000 V (HBM), ±500 V (CDM) | V | Human body model and charged device model |
Key Features
- Latch-up immune, preventing undesirable high current events
- Dual supply range: ±4.5V to ±22V and single supply range: 4.5V to 44V
- Low on-resistance: 2Ω
- High current support: up to 220mA (TSSOP)
- Operating temperature range: -40°C to +125°C
- Integrated pull-down resistor on logic pins
- 1.8V logic compatible and fail-safe logic
- Rail-to-rail operation and bidirectional operation
Applications
- EV charging station power module
- Advanced driver assistance systems (ADAS)
- Automotive gateway
- Analog and digital multiplexing or demultiplexing
- Automotive head unit
- Telematics control unit
- Emergency call (eCall)
- Infotainment
- Body control modules (BCM)
- Body electronics and lighting
- Battery management systems (BMS)
- HVAC controller module
- ADAS domain controller
Q & A
- What is the operating voltage range of the TMUX7211PWR?
The TMUX7211PWR operates with a single supply range of 4.5V to 44V and a dual supply range of ±4.5V to ±22V.
- What is the maximum current each channel can handle?
The maximum continuous current per channel is up to 220mA for the TSSOP package, depending on the supply voltage and temperature.
- What is the on-resistance of the TMUX7211PWR?
The on-resistance is typically 2Ω.
- Is the TMUX7211PWR latch-up immune?
Yes, the TMUX7211PWR is latch-up immune, preventing undesirable high current events.
- What is the operating temperature range of the TMUX7211PWR?
The operating temperature range is -40°C to +125°C.
- Is the TMUX7211PWR compatible with 1.8V logic?
Yes, the TMUX7211PWR is 1.8V logic compatible.
- What are the ESD ratings for the TMUX7211PWR?
The ESD ratings are ±2000 V for the human body model (HBM) and ±500 V for the charged device model (CDM).
- What are some typical applications of the TMUX7211PWR?
Typical applications include EV charging station power modules, ADAS, automotive gateways, and more.
- Does the TMUX7211PWR support bidirectional operation?
Yes, the TMUX7211PWR supports bidirectional operation.
- What is the turn-on and turn-off time for the TMUX7211PWR?
The turn-on time is typically 100 to 225 ns, and the turn-off time is typically 80 to 240 ns, depending on the temperature and supply voltage.
