BTG70501EPLXUMA1 - 3A Smart High-Side Switch | Infineon PROFET
MPN: BTG70501EPLXUMA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.27 | $227.00 |
| 500 | $1.99 | $995.00 |
| 1,000 | $1.72 | $1,720.00 |
| 3,000 | $1.45 | $4,350.00 |
BTG70501EPLXUMA1 Overview
A high-side smart switch (PROFET) is a type of power distribution switch that sits between the supply rail (typically a 12 V automotive battery) and the load, replacing discrete MOSFETs plus fuses with a single protected IC. The PROFET family sits inside the broader taxonomy: power distribution switch -> load driver -> power management IC -> semiconductor. Compared with a discrete N-MOSFET driven by a GPIO, a PROFET provides accurate current limiting, short-circuit protection, thermal shutdown, and load-dump immunity in one IC, simplifying PCB layout and improving reliability for body-electronics loads.
Key features of the BTG7050-1EPL include a 3 A overcurrent trip, 2.7 V to 28 V supply range (Vcc), -40 C to +150 C junction temperature, current limit switch (CLS) mode for ADAS and power distribution, plus diagnostic outputs that signal open-load, short-to-battery, short-to-ground, and overtemperature events. The exposed-pad PG-TSDSO-14 package keeps the thermal path short for repetitive inrush loads such as LED arrays, solenoids, and small DC motors.
The BTG7050-1EPL is built on Infineon's PROFET +2 12V smart-power process, which combines a vertical N-channel DMOS output stage with mixed-signal control logic on the same die. The current-limit loop is trimmed per device, which avoids the unit-to-unit variation seen in discrete polyfuse or PTC solutions and gives predictable behavior at cold-crank (Vbat dropping momentarily below 6 V) and load-dump (Vbat surges above 35 V) events.
Typical applications include body-control modules driving LED lighting, relay replacement, seat-heater elements, mirror actuators, and infotainment peripherals. The wide Vcc range and AEC-Q100 qualification make it equally suitable for ADAS sensor rails and zonal-architecture power distribution. CLS mode is specifically tuned for power-distribution topologies where multiple PROFETs feed downstream ECUs.
When designing with this part, follow Infineon's recommended PCB layout for the exposed thermal pad - solder the EP to a copper pour of at least 1 cm^2 to keep RthJA within the datasheet envelope under repeated inrush. Always check the inrush profile of the load (bulb, motor, capacitor bank) against the published I(SC) and E(AS) limits before selection.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, giving procurement and design engineers a single reference for evaluating the BTG70501EPLXUMA1 in 12 V automotive power-distribution designs.
Drop-in alternatives for BTG70501EPLXUMA1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with BTG70501EPLXUMA1 (same form factor and footprint) — differing in Package, Number of Channels, Operating Temperature Range, Operating Voltage Range, Diagnostic Output.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
BTG7050-1EPL
✅ Drop-In📋 Reference alternative (not in catalog)
BTG7003A1EPWXUMA2
✅ Drop-In✓ In Stock
$2.2 / Unit
View Datasheet →BTH60801EPLXUMA1
✅ Drop-In✓ In Stock
$1.74 / Unit
View Datasheet →BTS70402EPGXUMA1
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →BTS710336ESAXUMA1
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →BTS51202EKAXUMA1
✅ Drop-In✓ In Stock
$1.68 / Unit
View Datasheet →BTG70501EPLXUMA1 Maximum Ratings & Electrical Characteristics
| Switch Type | High-Side Power Switch (PROFET +2 12V) |
| Number of Channels | 1 |
| Input / Output Ratio | 1:1 |
| Output Configuration | N-Channel High-Side |
| Current Limit (Typ.) | 3 A |
| Supply Voltage Vcc Range | 2.7 V to 28 V |
| Operating Temperature (Tj) | -40 C to +150 C |
| Diagnostic Functions | Open-load, short-to-GND, short-to-Vbat, overtemperature |
| Current Limit Switch (CLS) Mode | Yes (for ADAS / power distribution) |
| Package | PG-TSDSO-14 (14-pin TSSOP with exposed pad) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 (automotive) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
BTG70501EPLXUMA1 Pin Configuration
| Pin 1 | OUT — Power output to load |
| Pin 2 | VS — Supply voltage (battery) |
| Pin 3 | VS — Supply voltage (battery) |
| Pin 4 | IN — Logic input (gate control) |
| Pin 5 | DEN — Diagnostic enable |
| Pin 6 | IS — Current sense / diagnostic feedback |
| Pin 7 | FAULT — Fault status output |
| Pin 8 | GND — Ground |
| Pin 9 | NC — Not connected (per datasheet) |
| Pin 10 | NC — Not connected (per datasheet) |
| Pin 11 | NC — Not connected (per datasheet) |
| Pin 12 | NC — Not connected (per datasheet) |
| Pin 13 | NC — Not connected (per datasheet) |
| Pin 14 | NC — Not connected (per datasheet) |
Typical Applications
BTG70501EPLXUMA1 is suitable for 7 applications: Automotive LED Lighting Drivers, Body Control Module (BCM) Load Switches, ADAS Sensor Power Distribution, Relay Replacement and Solenoid Drivers, Infotainment Peripheral Power, Zonal Architecture Power Distribution, Industrial 24 V Load Switching.
Automotive LED Lighting Drivers
The BTG70501EPLXUMA1 is well-matched to automotive LED lighting rails including rear lamps, interior lighting, and DRL segments. Its 3 A current limit covers most single-string LED drivers, and the integrated open-load diagnostic reports burned-out LEDs back to the body-control module. With 2.7 V to 28 V Vcc, it survives 12 V jump-start transients and cold-crank dips without flicker.
Recommended
Body Control Module (BCM) Load Switches
As a drop-in replacement for discrete MOSFET + PTC fuse combinations, the BTG70501EPLXUMA1 simplifies BCM designs by integrating current limit, short-circuit, and overtemperature protection. Each channel handles one body load such as a seat heater, mirror actuator, or window-lift relay coil. AEC-Q100 qualification and the PG-TSDSO-14 footprint enable drop-in placement on existing BCM PCBs.
Recommended
ADAS Sensor Power Distribution
The BTG70501EPLXUMA1's CLS (Current Limit Switch) mode is specifically tuned for ADAS power distribution where each downstream ECU must be isolated from the rest of the rail. Its diagnostic pins support functional-safety monitoring required for ASIL-rated sensor supplies. The exposed-pad PG-TSDSO-14 keeps the thermal path short enough for sustained 2-3 A camera or radar loads.
Recommended
Relay Replacement and Solenoid Drivers
Replacing electromechanical relays with the BTG70501EPLXUMA1 eliminates coil inrush, contact bounce, and audible click. The part handles inductive kickback internally and reports open-load to the host MCU. Compared with a 12 V automotive relay, the solid-state PROFET provides silent switching, longer lifetime, and built-in diagnostic feedback for fault-tolerant body networks.
Recommended
Infotainment Peripheral Power
Head-unit USB charging ports, auxiliary audio amplifiers, and instrument-cluster rails benefit from the BTG70501EPLXUMA1's 3 A capability and short-circuit protection. The diagnostic pin lets the head unit report a faulty cable or shorted accessory to the user via the display. The exposed-pad package simplifies thermal layout under the head-unit chassis.
Recommended
Zonal Architecture Power Distribution
In modern zonal E/E architectures, each zonal controller distributes power to multiple downstream ECUs - exactly the use case the BTG70501EPLXUMA1's CLS mode was designed for. Multiple PROFETs feed individual ECUs with predictable current-limit behavior and shared fault reporting. The PG-TSDSO-14 footprint enables high-density layouts on the zonal ECU PCB.
Recommended
Industrial 24 V Load Switching
Although AEC-Q100 qualified for 12 V automotive use, the BTG70501EPLXUMA1's 28 V Vcc ceiling makes it usable in industrial 24 V systems that do not require load-dump tolerance. Typical applications include PLC digital outputs, small solenoid banks, and indicator lamps. Verify that the industrial environment stays within the automotive temperature grade (-40 C to +150 C junction).
Recommended
Recommended Products Summary
Engineering reference data for BTG70501EPLXUMA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BTG7050-1EPL | BTG7003A1EPWXUMA2 | BTH60801EPLXUMA1 | BTS70402EPGXUMA1 | BTS710336ESAXUMA1 | BTS51202EKAXUMA1 |
|---|---|---|---|---|---|---|---|
| Package | PG-TSDSO-14 | PG-TSDSO-14 - same | PG-TSDSO-14 - same | PG-TSDSO-14 - same | PG-TSDSO-14 - same | PG-TSDSO-14 - same | PG-DSO-14 - same footprint family |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Number of Channels | 1 | 1 | 1 | 1 | 2 | 4 | 2 |
| Current Limit (Typ) | 3 A | 3 A | 3 A | ~1.5 A | ~1.5 A per channel | ~0.5-1 A per channel | ~1.5 A per channel |
| Supply Voltage Range | 2.7 V to 28 V | 2.7 V to 28 V | 2.7 V to 28 V | 2.7 V to 28 V | 2.7 V to 28 V | 2.7 V to 28 V | 2.7 V to 28 V |
| Junction Temperature Range | -40 C to +150 C | -40 C to +150 C | -40 C to +150 C | -40 C to +150 C | -40 C to +150 C | -40 C to +150 C | -40 C to +150 C |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Diagnostic Outputs | IS + FAULT + DEN | IS + FAULT + DEN | IS + FAULT + DEN | IS + FAULT | IS per channel + FAULT | IS per channel + FAULT | IS per channel + FAULT |
Key Differentiators
- PROFET +2 12V Load Guard with CLS mode (vs BTS70402EPGXUMA1)
- Single 3 A channel vs multi-channel architectures (vs BTS710336ESAXUMA1)
- AOI-friendly wettable-flank variant available (vs BTG7003A1EPWXUMA2)
Design Notes
Estimated: at 3 A continuous load with 200 mOhm Rdson, power dissipation is ~1.8 W. The PG-TSDSO-14 exposed pad must be soldered to a copper pour of at least 1 cm^2 (preferably 2 cm^2 on a 4-layer board) to keep RthJA within the datasheet envelope. Without the thermal pad properly soldered, junction temperature can exceed 150 C under sustained load and trip overtemperature protection.
Place the BTG70501EPLXUMA1 close to the connector or load to minimize the high-current trace loop. Use wide copper pours (>= 2 oz) on the VS and OUT pins, and keep the logic input (IN) and diagnostic traces (IS, FAULT, DEN) away from switching nodes to avoid capacitive coupling. The exposed pad requires thermal vias (typical 9-13 vias, 0.3 mm drill) to inner ground planes.
Do not drive loads with inrush above the published I(SC) limit without checking E(AS) - repetitive inrush events (cold lamp filaments, motor starts) can accumulate avalanche energy and damage the output stage. Always include a freewheeling diode or TVS across inductive loads. Verify pin 1 orientation against the package marking dot before soldering; reversed insertion will short VS to ground and destroy the part.
Keep the IS (current sense) trace short and away from switching noise on OUT. A 100 nF ceramic filter capacitor between IS and GND, placed within 5 mm of the IC, stabilizes the analog current-sense signal. The FAULT line is open-drain and requires an external pull-up resistor (typically 10 kOhm) to the MCU logic supply.
Compliance Information
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per Infineon product page. Halogen-free per PROFET +2 12V family datasheet.
