TDE1707BFPT - 0.5A Intelligent Power Switch, 48V, SOIC-8 | STMicroelectronics
N.º de pieza: TDE1707BFPT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.12 | $3,12 |
| 10 | $2.78 | $27,80 |
| 100 | $2.35 | $235,00 |
| 500 | $1.98 | $990,00 |
| 1.000 | $1.65 | $1.650,00 |
TDE1707BFPT Descripción general
An intelligent power switch is a type of power management IC that combines a power MOSFET output stage with diagnostic feedback, protection features, and sometimes an internal auxiliary regulator. Within the broader semiconductor taxonomy, it belongs to the family of power switches and load drivers, sitting between a discrete MOSFET (which requires external protection logic) and a fully featured solid-state relay. This category serves as a building block in industrial automation systems where a logic-level signal must safely switch a higher-power DC load with built-in fault reporting.
Key specifications of the TDE1707BFPT include a continuous output current of 0.5 A, bipolar output stage configurable for either high-side (load to GND) or low-side (load to Vs) operation, and an internal +5 V auxiliary supply usable for powering external circuitry. The device also includes a dedicated LED status driver capable of sourcing or sinking approximately 3 mA (IOLD typ.), which reflects the output state for diagnostics. Overload and short-circuit protections are integrated, along with thermal shutdown for safe operation under fault conditions.
From an architectural perspective, the TDE1707BFPT integrates a vertical power DMOS output transistor with on-chip logic for protection, diagnostic feedback, and an internal 5 V LDO that powers both the gate drive and any external sensor circuitry. The bipolar 1:2 output configuration simplifies PCB routing by allowing the same part to serve as either a source or sink driver. Designers should note that the supply and output reversal protection eliminates the need for external TVS diodes on the output node in many 24 V industrial systems.
Typical applications include proximity detectors and inductive position sensors in industrial 24 V PLCs, 12 V and 24 V automotive body and chassis modules (relay and solenoid replacement), and process control solenoid or valve drivers. The internal +5 V supply is particularly useful for powering Hall-effect or proximity sensors directly from the switch without needing an additional regulator.
When designing with this part, ensure that the load current does not exceed 0.5 A continuously and verify thermal performance under worst-case ambient conditions. The SO-8 package has limited thermal headroom, so PCB copper pour area directly under the exposed pad is critical for thermal dissipation.
This page consolidates distributor pricing, drop-in alternatives, and application guidance that goes beyond the manufacturer datasheet to support rapid design-in.
Alternativas directas para TDE1707BFPT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
TDE1707BFP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TDE1707CFP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TDE1707CFPT
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E-TDE1707BFPT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
VN5160S-E
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TDE1707BFPT Valores máximos y características eléctricas
| Product Type | Intelligent Power Switch / Load Driver |
| Configuración de salida | High-Side or Low-Side (Bipolar 1:2) |
| Output Current (Continuous) | 0.5 A |
| Supply Voltage Range | 6 V to 48 V |
| Internal Auxiliary Supply | +5 V (for external circuits) |
| LED Driver Current (IOLD) | 3 mA typ. (source or sink) |
| Output Comparator Threshold | 1.5 V to 2 V |
| Overload Protection | Yes |
| Short-Circuit Protection | Yes |
| Internal Voltage Clamping | Yes |
| Supply Reversal Protection | Yes |
| Output Reversal Protection | Yes |
| Apagado térmico | Yes |
| GND Open-Wire Protection | Yes |
| Vs Open-Wire Protection | Yes |
| Encapsulado | SOIC-8 (Tape & Reel, T suffix) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant (per DigiKey listing) |
| Primary Application | Proximity detectors / 24V industrial loads |
Configuración de pines de TDE1707BFPT
| Pin 1 | IN — Logic input - controls output state |
| Pin 2 | GND — Ground reference |
| Pin 3 | Vs — Supply voltage (6V-48V) |
| Pin 4 | VCC — Internal +5V auxiliary supply output |
| Pin 5 | OUT — Power output to load (0.5A continuous) |
| Pin 6 | STATUS — Open-drain diagnostic feedback |
| Pin 7 | LED — LED driver output (3 mA source/sink) |
| Pin 8 | NC — Not connected (per datasheet) |
Aplicaciones típicas
TDE1707BFPT es adecuado para 6 aplicacións: Industrial 24V Proximity Detector, Automotive 24V Relay / Solenoid Replacement, Process Control Valve / Solenoid Driver, Industrial Sensor Power Distribution, 12V / 24V Lighting Load Driver, Battery-Powered Industrial Telemetry.
Industrial 24V Proximity Detector
The TDE1707BFPT is purpose-built for industrial proximity detector applications in 24V PLCs and sensor interface modules. Its 6V-48V supply range covers all common 24V industrial rails, while the internal +5V auxiliary supply can directly power a Hall-effect or inductive proximity sensor without needing a separate regulator. The integrated LED status driver (3 mA typical) reports the output state to a PLC indicator lamp, simplifying diagnostics. Built-in overload and short-circuit protection prevent field-wiring faults from damaging the switch, while supply and output reversal protection eliminates external TVS diodes on the output node. Thermal shutdown and open-wire protection on both GND and Vs lines make this part ideal for harsh industrial environments with long cable runs.
Recomendado
Automotive 24V Relay / Solenoid Replacement
The TDE1707BFPT serves as a solid-state replacement for electromechanical relays and solenoids in 24V automotive body and chassis modules. Its 0.5A continuous output current handles typical relay coil loads, while internal voltage clamping absorbs the inductive kick from the coil without external freewheeling diodes. The 48V supply tolerance covers 24V nominal rails with margin for load-dump transients, and supply/output reversal protection guards against reverse battery connections during service. Compared to mechanical relays, this solid-state switch offers unlimited mechanical life, silent operation, and faster switching - improving reliability in door lock, seat adjustment, and HVAC damper applications. The integrated diagnostic LED driver simplifies wiring-fault detection in service bays.
Recomendado
Process Control Valve / Solenoid Driver
The TDE1707BFPT is well-suited to driving small solenoid valves and pneumatic actuators in process control systems. Its 0.5A continuous current matches typical 24V coil ratings, while the integrated short-circuit and overload protection prevent coil failures from damaging the switch IC. Internal voltage clamping eliminates the need for flyback diodes across the coil, simplifying PCB layout and reducing BOM cost. The bipolar high-side / low-side output configuration allows the same part to drive either a sourcing or sinking valve topology, reducing SKU count for OEMs with diverse valve inventories. The diagnostic LED driver output can be routed to a panel indicator lamp for visual confirmation of valve state, easing commissioning and troubleshooting in field installations.
Recomendado
Industrial Sensor Power Distribution
The TDE1707BFPT can act as a protected power distribution switch for industrial sensor networks, where multiple sensors share a 24V rail and must be individually fused and switchable. Its 0.5A continuous rating covers most 4-20mA loop-powered field instruments when properly current-limited, while integrated thermal shutdown protects against wiring shorts at the sensor terminals. The internal +5V supply can power auxiliary logic or sensor signal-conditioning circuitry directly, eliminating the need for a separate LDO on the PCB. Open-wire protection on both GND and Vs lines detects cable disconnections - a common failure mode in industrial installations with vibration and mechanical stress. The diagnostic LED driver feeds back to a PLC for real-time monitoring of each sensor's power state.
Recomendado
12V / 24V Lighting Load Driver
The TDE1707BFPT works as a robust driver for industrial and architectural LED lighting strips operating from 12V or 24V DC rails. Its 6V-48V supply tolerance covers both nominal rails with headroom for system transients, while the 0.5A continuous current can drive lighting runs of approximately 12W at 24V before requiring multiple parallel switches. Integrated short-circuit and thermal shutdown protection prevents LED-string failures from damaging the driver IC, while internal voltage clamping absorbs inductive spikes from long cable runs. The LED status driver output can mirror the lighting state to a panel indicator or PLC input, simplifying maintenance diagnostics. Solid-state switching also enables PWM dimming at frequencies far above mechanical relay capabilities, supporting flicker-free dimming control.
Recomendado
Battery-Powered Industrial Telemetry
The TDE1707BFPT can switch low-power industrial telemetry transmitters and remote sensor nodes from a 12V or 24V battery rail, where its low quiescent current and wide supply tolerance help extend battery life. The 6V-48V supply window covers both lead-acid and lithium battery chemistries directly, while integrated reverse battery and overvoltage protection eliminates the need for external protection circuitry. Thermal shutdown and short-circuit protection are critical in remote installations where the switch must survive wiring faults without service intervention. The diagnostic LED driver can be repurposed as a low-power heartbeat indicator or disabled entirely for lowest quiescent. The internal +5V supply powers a small sensor signal chain (e.g., temperature, pressure) before the main radio wakes up.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TDE1707BFPT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TDE1707BFP | TDE1707CFP | TDE1707CFPT | E-TDE1707BFPT | VN5160S-E |
|---|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 - same | SOIC-8 - same | SOIC-8 - same | SOIC-8 - same | SOIC-8 - same |
| Brand | STMicroelectronics | STMicroelectronics - same | STMicroelectronics - same | STMicroelectronics - same | STMicroelectronics - same | STMicroelectronics - same |
| Output Current | 0.5 A | 0.5 A | 0.5 A | 0.5 A | 0.5 A | 3.5 A |
| Supply Voltage Range | 6 V to 48 V | 6 V to 48 V | 6 V to 48 V | 6 V to 48 V | 6 V to 48 V | 4.5 V to 36 V |
| Output Configuration | High-Side / Low-Side (bipolar 1:2) | High-Side / Low-Side | High-Side / Low-Side | High-Side / Low-Side | High-Side / Low-Side | High-Side only |
| Internal +5V Auxiliary | Yes | Yes | Yes | Yes | Yes | No |
| LED Status Driver | Yes (3 mA source/sink) | Yes | Yes | Yes | Yes | No |
| Thermal Shutdown | Yes | Yes | Yes | Yes | Yes | Yes |
| Pricing (qty 1, as of 2026-10-10) | $3.12 | $2.85 (estimated) | $3.40 (estimated) | $3.45 (estimated) | $3.20 (estimated) | $2.95 (estimated) |
Diferenciadores clave
- Integrated +5V auxiliary supply (frente a VN5160S-E)
- Built-in LED status driver (frente a TDE1707BFP)
- Bipolar high-side / low-side output configuration (frente a VN5160S-E)
Notas de diseño
Estimated: At continuous 0.5 A load with VIN=24 V and VOUT=0 V (worst-case short-to-ground during fault), the TDE1707BFPT dissipates approximately 12 W in the output FET. The SOIC-8 package has a typical theta_JA of ~150 C/W on a 1 oz 1 sq-in copper pour, which would imply a junction temperature rise of ~1800 C - clearly above the silicon limit. Designers must rely on the integrated current-limit and thermal-shutdown protections rather than expecting the package to dissipate sustained fault power. For normal 24 V solenoid / LED operation, dissipation is dominated by the load (P = I_load * V_load) and the switch's on-resistance adds only a few hundred mW.
Place input and output capacitors as close to the Vs and OUT pins as possible, with wide copper traces to handle the 0.5 A continuous current. The SOIC-8 package's exposed pad (if present on this variant) or pin 3 (Vs) must be soldered to a copper pour of at least 1 square inch to provide adequate thermal dissipation during normal operation. The +5 V auxiliary output (pin 4) should be bypassed with a 1 uF ceramic capacitor to ground to ensure clean supply for external sensor circuitry. Keep the LED driver trace (pin 7) away from switching nodes to avoid false triggering from capacitive coupling.
Do not exceed the 48 V absolute maximum supply rating - load-dump transients on 24 V automotive systems can reach 40 V but should never exceed 48 V. The output comparator thresholds (1.5 V to 2 V) are referenced to VCC and may behave differently if VCC is heavily loaded - keep the auxiliary supply current below the specified limit. When using the high-side configuration, ensure that the load return path is to the same GND as pin 2 to avoid ground-loop-induced false triggering. The diagnostic LED driver pin should not be left floating if unused - tie it to GND through a resistor or disable it externally.
Información de cumplimiento
RoHS and REACH compliant per DigiKey listing (sku 806424 and 677601). Not AEC-Q100 qualified in standard TDE1707BFPT - choose TDE1707BFPT-Q1 variant for automotive applications. Lead-free (Pb-free) reflow-compatible per STMicroelectronics product page.
