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Texas Instruments TMUX4051PWRQ1
- Part No.:
- TMUX4051PWRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TMUX4051PWRQ1.pdf
- Description:
- AUTOMOTIVE, 12-V, 8:1 ONE-CHANNE
- Quantity:
Unit Price:$0.408900
Ext Price:$0.408900
- Payment:
- Shipping:
Inventory:930
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In Stock : 930 PCS
| Qty. | Unit Price | Ext Price |
| 1+ | $0.408900 | $0.408900 |
| 2500+ | $0.292100 | $730.250000 |
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Product Details
TMUX4051PWRQ1 - TI 8-Channel 1:4 Multiplexer/Demultiplexer
TMUX4051PWRQ1 is an 8-channel bidirectional 1:4 multiplexer/demultiplexer organized as 4x SP4T (Single-Pole-4-Throw) switches, each with two channels (A and B). It is controlled via 3-wire SPI and operates from 1.65V to 5.5V. The device features 4Ω typical ON-resistance, 500MHz bandwidth, and built-...
Product Introduction
TMUX4051PWRQ1 is an 8-channel bidirectional 1:4 multiplexer/demultiplexer organized as 4x SP4T (Single-Pole-4-Throw) switches, each with two channels (A and B). It is controlled via 3-wire SPI and operates from 1.65V to 5.5V. The device features 4Ω typical ON-resistance, 500MHz bandwidth, and built-in over-voltage protection on all I/O pins. AEC-Q100 Grade 1 qualified for automotive applications.
Expert Technical Insights
SP4T architecture for 4-camera automotive systems:
- The TMUX4051's SP4T configuration is ideal for switching MIPI CSI-2 differential pairs in 4-camera automotive systems (front view, rear view, left/right side views for blind-spot detection)
- Each SP4T switch handles one differential pair (channels A and B), connecting the processor's CSI-2 output to one of 4 camera modules
- This replaces 4 separate mux ICs with a single TMUX4051.
Compact TSSOP-20 vs. larger packages:
- At 4.4mm width, the TMUX4051 in TSSOP-20 is significantly smaller than the TMUX4052 in TSSOP-28 (6.4mm width)
- This makes it ideal for automotive head units and cluster modules where PCB space is limited but 4-port switching is sufficient
- The TSSOP package's gull-wing leads provide good solder joint reliability for automotive applications.
Key Benefits
4 SP4T switches (2 channels each) for differential signal routing.
Suitable for MIPI CSI-2, DSI, and USB 2.0 high-speed signal routing.
Built-in OVP on all I/O pins protects downstream processors.
Automotive-qualified with -40°C to +125°C junction temperature range.
Detailed Specifications
| Parameter | Value | Conditions / Notes |
|---|---|---|
| Device Type | 8-Channel 1:4 Multiplexer/Demultiplexer | - |
| Manufacturer | Texas Instruments | USA |
| Configuration | 4x SP4T (Single-Pole-4-Throw) | 8 bidirectional channels |
| Supply Voltage (VCC) | 1.65V to 5.5V | Wide voltage range |
| ON-Resistance (RON) | 4Ω (typical) | 25°C |
| Bandwidth | 500MHz (-3dB) | - |
| Control Interface | 3-Wire SPI | MCU compatible |
| ESD Protection | 2kV HBM | - |
| Fault Protection | Over-voltage protection on all I/O | - |
| Package | TSSOP-20 (PW) | 4.4mm width |
| Operating Temperature | -40°C to +125°C | Junction temp |
Note: For detailed electrical parameters, thermal management design, and EMI optimization guidelines, refer to the official TI datasheet. Specifications are subject to change without notice. Engineers should verify all parameters before final design.
Package Information
TMUX4051PWRQ1 uses a 20-pin TSSOP (PW suffix) package with a 4.4mm body width and 0.65mm pitch. The TSSOP package offers excellent thermal performance and easy PCB mounting. It features 8 bidirectional channels organized as 4 single-pole-4-throw (SP4T) switches, ideal for mid-channel-count signal routing in automotive and industrial applications. AEC-Q100 Grade 1 qualified.
Pin Definition (TSSOP-20)
- COM_1A/B ~ COM_4A/B: Common port pins (8 channels total)
- NO_1A/B ~ NO_4A/B: Normally open port pins (4 throws per pole)
- SCLK / MOSI / CS: SPI control interface
- EN: Enable pin (active high)
- VCC / GND: Power supply and ground
Alternative Parts
The following alternative parts are listed for reference. Before selecting an alternative, verify communication interface, supply voltage, security algorithm compatibility, and software API differences.
| Part Number | Brand | Type | Package | Key Feature |
|---|---|---|---|---|
| TMUX4052PWRQ1 | TI | 12-Ch 1:6 Mux / SPI / 1.65V-5.5V / 500MHz | TSSOP-28 | Higher channel count, 1:6 ratio |
| TMUX1308QPWRQ1 | TI | 8-Ch 1:8 Mux / SPI / 1.65V-5.5V / 700MHz | QFN-24 | Higher bandwidth, 1:8 ratio, different package |
| TMUX4051PWRQ1 | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection |
Manufacturer Information
Texas Instruments (NASDAQ: TXN), headquartered in Dallas, Texas, is a global leader in analog and embedded semiconductors. TI's TMUX mux/demux family covers signal routing from low-speed GPIOs to USB 3.0 SuperSpeed. The TMUX4051 follows TI's automotive-quality flow with AEC-Q100 Grade 1 qualification and PPAP support.
Applications
Frequently Asked Questions
What is TMUX4051PWRQ1 used for?
TMUX4051PWRQ1 is used in electronic designs according to the function and limits described in the manufacturer datasheet.
Can TMUX4051PWRQ1 be replaced by another part?
Only after verifying package, pinout, electrical limits and software or circuit compatibility.
Where should the final parameters be checked?
Use the official manufacturer datasheet and latest ordering documentation before final design release.
Disclaimer
The technical specifications listed on this page are based on the official TI datasheet. We strive to ensure accuracy and completeness, but specifications are subject to change without notice. Engineers should verify all parameters before final design.
We guarantee all products are genuine factory originals with complete traceability.
Free technical consultation available before and after purchase.
This product page is for reference only.
TMUX4051PWRQ1 Specifications
- Specifications
- Attributes
- Property Value
- Manufacturer
- Texas Instruments
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Part Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- On-State Resistance (Max):
- 240Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 24V
- Qualification:
- AEC-Q100
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 110ns, 85ns (Typ)
- Number of Circuits:
- 1
- 3 dB Bandwidth:
- 430MHz
- Charge Injection:
- 2pC
- Grade:
- Automotive
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 9pF
- Mounting Style:
- Surface Mount
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -90dB @ 1MHz
- Supplier Device Package:
- 16-TSSOP
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