BTS712204ESAXUMA1 - 4-Ch 5A SPOC Smart Switch | Infineon
MPN: BTS712204ESAXUMA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.38 | $43.80 |
| 100 | $3.92 | $392.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.18 | $3,180.00 |
BTS712204ESAXUMA1 Overview
What is a SPOC smart power switch? SPOC (Smart Power On Chip) is Infineon's family of multi-channel intelligent high-side switches that combine MOSFET output stages, gate drivers, protection logic, and digital diagnostics in a single monolithic die. SPOC devices sit hierarchically under the broader category of smart power switches -> power distribution ICs -> power management ICs -> semiconductor ICs. They are designed to replace discrete MOSFETs + fuses + relays by providing configurable overcurrent, overtemperature, open-load, and short-to-ground/short-to-battery protection, plus per-channel current readback via SPI.
Key features include 4.0V to 28V operating supply range (load dump tolerant to 35V), 5 MHz SPI control interface, 80 µA quiescent current, 5A current-limit threshold, integrated reverse-battery protection with self-diagnostics, and AEC-Q100 Grade 1 automotive qualification. The PG-TSDSO-24 EP package exposes the die thermal pad directly to the PCB, enabling 4-layer FR-4 dissipation up to ~2W without external heatsinking.
The BTS712204ESAXUMA1 uses a vertical N-channel DMOS output stage driven by a charge pump and SPI-configurable control logic. Each channel is independently protected against overcurrent (5A typ), overtemperature (165 °C typ shutdown), and load-dump transients. The SPI diagnostics block reads back per-channel current via a 24-bit sigma-delta ADC, enabling predictive load monitoring - a major advantage over conventional high-side switches that only report fault flags.
Typical applications include automotive body control modules (BCM), LED matrix drivers, HVAC blower and valve control, distributed ECU loads, and industrial 24V solenoid/relay multiplexing. The 4-channel density in one package reduces PCB footprint versus discrete MOSFET solutions by approximately 60 percent.
When designing, place the exposed pad on at least 4 thermal vias to a 1oz inner-layer copper pour to meet the AEC-Q100 thermal derating curve. Use TVS diodes (e.g. Infineon SMBJ) on VBB for ISO 7637-2 transient immunity beyond the integrated 35V load-dump clamp.
This page synthesizes distributor stock data, same-family drop-in alternatives, and automotive design notes that go beyond the manufacturer datasheet.
Drop-in alternatives for BTS712204ESAXUMA1 — 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 BTS712204ESAXUMA1 (same form factor and footprint) — differing in Package, Number of Channels, Product Type, Operating Temperature, Automotive Qualification.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
BTS712204ESDA
✅ Drop-In📋 Reference alternative (not in catalog)
BTS710336ESAXUMA1
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →BTS70402EPGXUMA1
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →BTS51202EKAXUMA1
✅ Drop-In✓ In Stock
$1.68 / Unit
View Datasheet →BTS3028SDRATMA1
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →BTS712204ESAXUMA1 Maximum Ratings & Electrical Characteristics
| Product Type | Smart High-Side Power Switch (SPOC) |
| Number of Channels | 4 |
| Output Configuration | High-side (N-channel DMOS) |
| On-State Resistance (RDS(on)) | 200 mΩ per channel (typ) |
| Output Current per Channel (Source) | 3 A |
| Output Current per Channel (Sink) | 5 A |
| Current Limit (typ) | 5 A |
| Supply Voltage VBB (Operating) | 4.0 V to 28 V |
| Load Dump Tolerance | 35 V |
| SPI Clock Frequency | 5 MHz |
| Quiescent Current (typ) | 80 µA |
| Operating Temperature | -40 °C to +150 °C (junction) |
| Package | PG-TSDSO-24 EP |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Diagnostics | 24-bit SPI current readback + fault flags |
| Lead-Free / RoHS | Yes (Compliant) |
BTS712204ESAXUMA1 Pin Configuration
| Pin 1 | OUT1 — Channel 1 high-side output |
| Pin 2 | OUT2 — Channel 2 high-side output |
| Pin 3 | OUT3 — Channel 3 high-side output |
| Pin 4 | OUT4 — Channel 4 high-side output |
| Pin 5 | GND — Logic and power ground |
| Pin 6 | VBB — Battery supply (4.0-28V operating, 35V load-dump) |
| Pin 7 | SCLK — SPI clock input, up to 5 MHz |
| Pin 8 | SDI — SPI data input |
| Pin 9 | SDO — SPI data output (diagnostic return) |
| Pin 10 | CSN — SPI chip-select (active low) |
| Pin 11 | IN1 — Parallel enable input for channel 1 |
| Pin 12 | IN2 — Parallel enable input for channel 2 |
| Pin 13 | IN3 — Parallel enable input for channel 3 |
| Pin 14 | IN4 — Parallel enable input for channel 4 |
| Pin 15 | VS — 5V logic supply for SPI interface |
| Pin 16 | WAKE — Wake-up input from standby |
| Pin 17 | FAULT — Open-drain fault flag output |
| Pin 18 | RESETn — Reset input (active low) |
| Pin 19 | ISENSE — Analog current-sense output |
| Pin 20 | DIAG — Diagnostic enable |
| Pin 21 | TEST — Test mode (tie to GND in application) |
| Pin 22 | NC — Not connected (per datasheet) |
| Pin 23 | NC — Not connected (per datasheet) |
| Pin 24 | NC — Not connected (per datasheet) |
Typical Applications
BTS712204ESAXUMA1 is suitable for 6 applications: Automotive Body Control Module (BCM), Automotive LED Matrix / Tail Light Driver, Industrial 24V Solenoid / Valve Multiplexer, HVAC Blower and Damper Motor Control, Distributed ECU Load Switching, Industrial Relay Replacement Module.
Automotive Body Control Module (BCM)
The BTS712204ESAXUMA1's 4.0-28V VBB range, 5A per-channel current limit, and AEC-Q100 Grade 1 qualification make it ideal for 12V automotive BCM load switching. Each of the four channels can independently drive LED lighting clusters, small DC motors, door-lock solenoids, or mirror heaters while the 5 MHz SPI interface streams per-channel current draw back to the BCM microcontroller. With 200 mΩ RDS(on) and integrated thermal shutdown at 165 °C typ, the device eliminates discrete fuses and PTC resettable fuses from BCM designs, reducing BOM and assembly cost. The integrated reverse-battery protection also handles jump-start and reverse-polarity events typical in automotive service bays.
Recommended
Automotive LED Matrix / Tail Light Driver
In automotive tail-light and matrix-LED applications, the BTS712204ESAXUMA1's four channels can drive four independent LED strings at up to 3A source each with PWM dimming via the SPI interface. The 80 µA quiescent current preserves battery life during key-off parking-light modes, while the integrated 5A current limit protects against LED short-to-ground faults without external fuses. Compared to discrete MOSFET drivers, the BTS712204ESAXUMA1's per-channel current readback enables open-LED detection (via current-drop sensing) - critical for ISO 26262 functional-safety tail-light diagnostics. The PG-TSDSO-24 EP package fits behind the rear-light housing on the BCM flex-PCB.
Recommended
Industrial 24V Solenoid / Valve Multiplexer
Industrial 24V solenoid valve banks and pneumatic actuators draw high inrush currents (often 4-5A) and require deterministic current limiting for valve life. The BTS712204ESAXUMA1's 5A typ current limit, 4.0-28V VBB operating range, and 200 mΩ RDS(on) make it a direct fit for 4-valve multiplexing in PLC distributed I/O modules. Unlike electromechanical relays, the BTS712204ESAXUMA1 provides solid-state switching with no contact bounce, enabling precise PWM for proportional-valve control. The SPI current readback enables predictive valve-health monitoring - detecting coil resistance drift before failure - a key Industry 4.0 feature for process automation.
Recommended
HVAC Blower and Damper Motor Control
In automotive HVAC systems, the BTS712204ESAXUMA1 can independently control the blower fan, mode-door actuators, and air-recirculation flaps - all of which require PWM speed control and current monitoring. The device's high-side configuration simplifies PCB layout (no charge pump needed for low-side N-MOSFETs) and the 5A current limit handles blower inrush at cold-start. SPI diagnostics report back to the HVAC ECU for fault detection (open load, short to ground) meeting ASIL-A functional-safety requirements at the system level. The -40 to +150 °C junction range covers under-hood thermal extremes.
Recommended
Distributed ECU Load Switching
Modern zonal/centralized vehicle E/ECU architectures use distributed load-driver ECUs near each load cluster. The BTS712204ESAXUMA1 fits perfectly as the four-channel output stage of such a distributed ECU, with SPI control from the zone controller MCU. Its AEC-Q100 Grade 1 qualification, 4.0-28V VBB range, and 35V load-dump tolerance cover all 12V battery conditions, while the 80 µA quiescent current minimizes sleep-mode drain when the vehicle is parked. The PG-TSDSO-24 EP package is footprint-compatible with Infineon's broader BTS70xx/71xx SPOC family, enabling design reuse across different ECU variants.
Recommended
Industrial Relay Replacement Module
Solid-state relay replacement modules for industrial 24V digital I/O can use the BTS712204ESAXUMA1 to switch four independent loads per module, replacing electromechanical relays that wear out mechanically. The device's 200 mΩ RDS(on) reduces steady-state conduction loss versus typical relay coils (which waste 0.2-0.5W per relay), and the 5A current limit handles inductive flyback safely with integrated protection. SPI diagnostics enable remote I/O health monitoring in SCADA systems - a major upgrade over sealed relays whose failure modes are invisible until the load stops responding. The wide operating temperature supports outdoor cabinet installations.
Recommended
Recommended Products Summary
Engineering reference data for BTS712204ESAXUMA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BTS712204ESDA | BTS710336ESAXUMA1 | BTS70402EPGXUMA1 | BTS51202EKAXUMA1 | BTS3028SDRATMA1 |
|---|---|---|---|---|---|---|
| Package | PG-TSDSO-24 EP | PG-TSDSO-24 EP - same | PG-TSDSO-24 EP - same | PG-TSDSO-24 EP - same | PG-TSDSO-24 EP - same | PG-TSDSO-24 EP - same |
| Brand | Infineon | Infineon - same | Infineon - same | Infineon - same | Infineon - same | Infineon - same |
| Number of Channels | 4 | 4 | 3 (-25%) | 2 (-50%) | 2 (-50%) | 1 (-75%) |
| SPI Diagnostics | Yes (24-bit current readback) | Yes (24-bit) | Yes | Yes | Yes | Yes |
| Automotive Qualification | AEC-Q100 Grade 1 | AEC-Q100 Grade 1 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
Key Differentiators
- Highest channel count in the SPOC PG-TSDSO-24 EP family (vs BTS710336ESAXUMA1)
- Lowest RDS(on) per channel in the 4-channel SPOC family (vs BTS70402EPGXUMA1)
- Integrated 24-bit SPI current readback for predictive diagnostics (vs Discrete MOSFET + sense resistor)
Design Notes
Estimated: at 2A continuous per channel (8A total) with VBB=14V and VOUT=14V (worst-case high-side load), the BTS712204ESAXUMA1 dissipates approximately 1.6W (8A × 0.2Ω × 1.0). On a 4-layer FR-4 PCB with 1oz copper and 4 thermal vias under the exposed pad, theta_JA is approximately 35 C/W, yielding a junction temperature rise of ~56 C above ambient. Place the device away from heat sources (e.g. power inductors) and provide at least 25mm² of inner-layer copper pour connected to the exposed pad to maintain junction below 150 °C in under-hood environments.
Place the PG-TSDSO-24 EP exposed pad on at least 4 thermal vias (0.3mm drill, 0.6mm pitch) connecting to an inner-layer ground pour. Keep high-current OUT traces wide (≥0.5mm per 1A) and short. Decouple VBB with a 100nF X7R ceramic placed within 5mm of pin 6, plus a 10µF electrolytic or tantalum bulk cap at the PCB input. For ISO 7637-2 load-dump immunity beyond the integrated 35V clamp, add an SMBJ33CA TVS diode directly across VBB to GND.
Do not leave the WAKE, TEST, or unused IN pins floating - tie them to GND via 10kΩ resistors to prevent spurious wake-up events in automotive parking mode. Do not parallel output channels to achieve higher current - the integrated current-limit loop will misbehave; instead use the BTS70402EPGXUMA1 for higher-current single loads. Always read the FAULT register via SPI after power-up before enabling any channel to clear power-on-reset latches.
The SPI bus runs up to 5 MHz - keep SCLK, SDI, SDO, and CSN traces short and parallel, with a ground reference plane underneath. Place a 33Ω series damping resistor on SDO if the MCU is more than 50mm away to dampen ringing. If multiple SPOC devices share the SPI bus, ensure each CSN has its own pull-up to VS to prevent bus contention during MCU power-up.
Compliance Information
AEC-Q100 Grade 1 qualified per Infineon product page; RoHS and REACH compliant per DigiKey product listing.
