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STMicroelectronics TDE1707CFPT
- Part No.:
- TDE1707CFPT
- Manufacturer:
- STMicroelectronics
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TDE1707CFPT.pdf
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Product details
Overview
TDE1707CFPT from STMicroelectronics is an intelligent high- and low-side power switch IC delivering 0.5 A output current with 6–48 V supply range, internal +5 V regulator, LED status driver, and adjustable turn-on delay. It serves as a protected load driver in industrial I/O and numerical control machines, supporting resistive or inductive loads with thermal shutdown, overcurrent, short-circuit, and reverse-polarity protection.
For engineers reviewing the TDE1707CFPT datasheet, TDE1707CFPT pinout, TDE1707CFPT application, or TDE1707CFPT equivalent, key selection criteria include configurable high-/low-side topology, integrated 5 V AUX supply for external circuitry, GND/VS open-wire detection, and programmable delay via external capacitor on pin 3.
Technical Context
The TDE1707CFPT integrates dual-output switching architecture (pin 2 = high-side, pin 8 = low-side), enabling flexible load connection to either VS or GND. Its internal comparator monitors output voltage relative to VS or GND to detect fault conditions including overload, short-circuit, and open-wire faults.
A dedicated delay circuit (pin 3) generates a minimum 25 μs blocking signal during power-up, overtemperature, or overcurrent events; delay duration is extended by an external capacitor (0.65–2 ms typical). The +5 V regulator (pin 6) supplies up to 6 mA at VS = 35 V and supports external proximity detector circuits per AN495 and AN1213.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output current | 500 mA max at VS ≤ 32 V; enables driving medium-power solenoids or valves in industrial controls. |
| Supply voltage range | 6–48 V DC; compatible with standard 24 V industrial bus systems and wide-input PLC modules. |
| Saturation voltage | 1.1–1.6 V at 500 mA; limits conduction loss to ≤0.8 W, reducing thermal stress in SO-8 package. |
| +5 V regulated output | 4.5–5.5 V at ≤6 mA; powers external sensors or logic without requiring auxiliary LDO. |
| Turn-off time | 15 μs typical; ensures fast response for safety-critical or high-cycle industrial sequencing. |
| Delay capacitor input | Pin 3 accepts 10 nF–1 µF capacitor to extend turn-on delay up to 2 ms; supports soft-start or timing coordination. |
| Thermal resistance | Rth(JA) = 130 °C/W (CFP variant); defines maximum ambient temperature rise under continuous 500 mA load. |
Pinout & Package
Package: SO-8 (ECOPACK® compliant, surface-mount, 150 °C max junction temperature).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | LED driver | Sinks or sources 2–4 mA to indicate output ON/OFF state; polarity depends on high-/low-side configuration. |
| 2 | High-side output | Switched VS-connected output; used when load connects between pin 2 and GND. |
| 3 | Delay capacitor source | Provides 2–6 µA charging current for external RC network to set turn-on delay duration. |
| 4 | GND | Power and signal reference ground; also enables GND open-wire detection. |
| 5 | Input | CMOS-compatible digital input (2–3 V threshold, 300 mV hysteresis); tolerant of -10 to 50 V transients. |
| 6 | Regulator voltage source | +5 V regulated output; supplies external circuitry with ≤6 mA at VS = 35 V. |
| 7 | Supply voltage (VS) | Main power input (6–48 V); includes reverse-voltage protection up to -50 V. |
| 8 | Low-side output | Switched GND-connected output; used when load connects between VS and pin 8. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable topology | Single device supports both high-side (pin 2) and low-side (pin 8) load connections-no redesign needed for board variants. |
| Fault-locked blocking | Internally blocks IN signal during overtemperature, overcurrent, or open-wire faults until stable normal condition resumes after ≥25 μs delay. |
| Integrated status feedback | Pin 1 LED driver provides real-time output state indication without external components or microcontroller GPIO overhead. |
| Reverse polarity protection | Withstands -50 V supply reversal and -10 V input reversal-eliminates need for external series diode or TVS. |
| Inductive load handling | Internal 55–70 V clamp (pin 2/8) absorbs flyback energy up to 150 mJ-supports direct drive of 24 V solenoids and relays. |
Applications
| Industrial PLC I/O Module | Numerical Control Machine Axis Control |
|---|---|
|
Use Scenario: Driving 24 V DC solenoid valves and indicator lamps in modular PLC backplanes with shared 24 V bus. IC Role / Device Role / Timing Role: High-side switch (pin 2) controlling valve coil current; +5 V regulator (pin 6) powers position sensor ICs on same module. Use Value: Eliminates discrete FET + gate driver + LDO + fault monitor; reduces BOM count by ≥4 components per channel. |
Use Scenario: Controlling coolant pump enable and tool-changer clutch actuation in CNC machine controllers. IC Role / Device Role / Timing Role: Low-side switch (pin 8) managing inductive motor starter coils; LED driver (pin 1) signals operational status to HMI panel. Use Value: Built-in short-circuit protection prevents latch-up during tool collision events; 15 μs turn-off time meets CNC motion synchronization requirements. |
| Factory Automation Sensor Interface | Industrial PC Peripheral Expansion |
|
Use Scenario: Powering and monitoring proximity sensors (inductive/NAMUR) in harsh factory environments with EMI and voltage transients. IC Role / Device Role / Timing Role: Supplies regulated +5 V (pin 6) to sensor electronics while detecting open-wire faults on GND (pin 4) and VS (pin 7). Use Value: Enables single-chip sensor excitation and diagnostics-replaces separate 5 V LDO, sense resistor, and comparator circuitry. |
Use Scenario: Adding isolated digital output capability to industrial PCs via PCIe or M.2 expansion cards for machine vision lighting control. IC Role / Device Role / Timing Role: Configured as high-side switch (pin 2) driving 12–48 V LED arrays; adjustable delay (pin 3) synchronizes illumination with camera exposure timing. Use Value: Programmable 0.65–2 ms delay eliminates need for external timer IC or FPGA logic for strobe alignment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar intelligent power switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VNS3NV04PTR-E | Single-channel 4 A high-side switch; no low-side option, no integrated +5 V regulator, no LED driver. | Higher current capacity but requires external 5 V supply and status sensing; suited for high-power motor drivers only. | Select when >500 mA load current is required and system already provides regulated 5 V and status feedback path. |
| IPS1025HTR | 0.5 A high-side switch with 5 V regulator and diagnostic flag; no low-side mode, no adjustable delay, no LED driver. | Lacks dual topology and visual status output; offers higher burst immunity (±4 kV ESD) but no pin 3 delay programming. | Choose when design uses only high-side loads and prioritizes EMC robustness over configurability and visual diagnostics. |
Compared with VNS3NV04PTR-E and IPS1025HTR, TDE1707CFPT uniquely combines dual high-/low-side topology, integrated LED status, programmable delay, and 5 V regulator in one SO-8 package-making it optimal for space-constrained, multi-function industrial I/O nodes.
Availability
TDE1707CFPT is available at Aetrix Electronics and suitable for industrial PLC I/O modules, numerical control machine axis control, and factory automation sensor interfaces requiring stable component supply across long production lifecycles.
Supply support for TDE1707CFPT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, MCU, power, and sensor solutions for industrial, automotive, and consumer markets.
The TDE1707 product line delivers intelligent power switches optimized for industrial control applications-emphasizing fault resilience, dual topology flexibility, and integrated diagnostics to simplify rugged I/O design.
FAQ
What is the maximum inductive energy the TDE1707CFPT can safely clamp?
The TDE1707CFPT internally clamps inductive flyback energy up to 150 mJ, as specified in Table 2 (Ei). This rating applies to both high-side (pin 2) and low-side (pin 8) configurations and assumes proper PCB layout with minimized loop inductance. Exceeding this value risks damage to the internal clamp structure and may trigger thermal shutdown.
Can the +5 V regulator (pin 6) power external microcontrollers?
Yes-the +5 V regulator delivers 4.5–5.5 V at up to 6 mA (at VS = 35 V) and 4 mA (at VS = 48 V), sufficient for low-power microcontrollers like STM32L0 or PIC12LF. However, it is not intended for high-current loads; external LDOs are recommended if >6 mA is required or if tight regulation under dynamic load is critical.
How does the GND and VS open-wire protection function?
GND open-wire detection activates when pin 4 (GND) is disconnected while VS (pin 7) remains powered-causing internal bias violation and triggering fault blocking. VS open-wire detection occurs when pin 7 loses supply while GND (pin 4) remains connected, detected via internal voltage monitor on the regulator rail. Both conditions force output disable and LED driver off.
Is the TDE1707CFPT pin-compatible with the TDE1707BFP?
Yes-TDE1707CFPT and TDE1707BFP share identical SO-8 pinout, electrical characteristics, and functional behavior. The only difference is packaging: CFPT is tape-and-reel, BFP is tube. Both have Rth(JA) = 130 °C/W and identical thermal derating curves, allowing direct substitution in production.
TDE1707CFPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- -
- Number of Outputs:
- -
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- Output Configuration:
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- Output Type:
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- Interface:
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- Voltage - Load:
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- Voltage - Supply (Vcc/Vdd):
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- Current - Output (Max):
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- Rds On (Typ):
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- Input Type:
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- Features:
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- Fault Protection:
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- Supplier Device Package:
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TDE1707CFPT FAQ
1.How can I place an order for TDE1707CFPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TDE1707CFPT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TDE1707CFPT reliable?
The price and inventory of TDE1707CFPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDE1707CFPT is usually 5 days.
3.What payment methods are accepted for TDE1707CFPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDE1707CFPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TDE1707CFPT?
TDE1707CFPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TDE1707CFPT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TDE1707CFPT?
For technical support, including TDE1707CFPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDE1707CFPT requirements.
6.How does Aetrix verify that TDE1707CFPT is sourced from the original manufacturer or authorized distributors?
All TDE1707CFPT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TDE1707CFPT meets industry standards.
7.What is the process for return or replacement of TDE1707CFPT?
All TDE1707CFPT units undergo pre-shipment inspection (PSI). If there is an issue with TDE1707CFPT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TDE1707CFPT part is unused and in its original packaging.
Return procedure for TDE1707CFPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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