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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Lighting, Ballast Controllers

Infineon Technologies BTS722204ESAXUMA1

Name: BTS722204ESAXUMA1
Brand: Infineon Technologies
SKU: BTS722204ESAXUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BTS722204ESAXUMA1

Manufacturer:: Infineon Technologies

Category:: Lighting, Ballast Controllers

Package:: 24-TSSOP (0.154", 3.90mm Width) Exposed Pad

Datasheet:: BTS722204ESAXUMA1.pdf

Description:: IC HID LAMP CNTRL 5MHZ 24TSSOP

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Product details

Overview

BTS722204ESAXUMA1 from Infineon is a quad-channel automotive-grade high-side power switch with integrated diagnosis, protection, and SPI daisy-chain interface. It delivers 7 A (channels 0/3) and 4 A (channels 1/2) nominal load current at 85 °C ambient, features dual R_DS(ON) values (9 mΩ / 22 mΩ @ 150 °C), and supports reverse polarity operation (ReverseON/InverseON) for battery-connected lighting and LED modules in vehicle body electronics.

For engineers reviewing the BTS722204ESAXUMA1 datasheet, BTS722204ESAXUMA1 pinout, BTS722204ESAXUMA1 application, or BTS722204ESAXUMA1 equivalent, key selection criteria include channel-specific current ratings, programmable overcurrent restart, proportional current sense (k_ILIS = 5500/2500), 5 MHz SPI interface, and AEC-Q100 Grade 1 qualification for under-hood use.

Technical Context

The device implements four independent SMART7-based high-side switches with embedded thermal shutdown, overvoltage clamping (35 V), and undervoltage lockout (3.1 V cranking). Each channel integrates slew rate control, open-load detection in ON/OFF states, and short-circuit-to-ground/battery diagnostics reported via SPI.

Its SPOC™ +2 architecture enables fault-tolerant operation via Limp Home mode, input pin status monitoring (INn/LHI), configuration register checksum verification, and current sense validation - all coordinated through a 3.3 V/5 V-compatible serial interface with CSN/SCLK/SI/SO pins and daisy-chain capability.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Voltage Range	4.1 V to 28 V - supports cold-crank (3.1 V min during cranking) and load-dump (35 V clamped) conditions per ISO16750-2
Channel Current Ratings	7 A (ch0/ch3), 4 A (ch1/ch2) at T_A = 85 °C - defines maximum continuous resistive/inductive load drive per channel
R_DS(ON) @ 150 °C	9 mΩ (ch0/ch3), 22 mΩ (ch1/ch2) - determines conduction loss and thermal design margin
Current Sense Ratio	5500 (ch0/ch3), 2500 (ch1/ch2) - enables accurate IL measurement using external ADC without scaling amplifiers
SPI Clock Frequency	Up to 5 MHz - allows fast configuration updates and diagnostic readback in real-time control loops
Diagnostic Coverage	Detects open-load (ON/OFF), short-to-battery/ground, overtemperature, overcurrent, and undervoltage - reduces need for external monitoring circuitry
Functional Safety Support	Limp Home mode, input pin status monitoring, config register checksum, current sense verification - meets ASIL-B decomposition requirements

Pinout & Package

Package: PG-TSDSO-24 (exposed pad, RoHS-compliant, thermally enhanced SOIC variant).

Pin/Terminal	Circuit Role	Design Meaning
VS	Battery supply input	Primary power rail connection; handles up to 28 V continuous, 35 V clamped transients
VDD	Digital logic supply	3.3 V or 5 V tolerant; powers internal SPI interface and control logic
GND	Ground reference	Common return for power and logic; exposed pad must be soldered for thermal performance
IN0–IN3	Digital enable inputs	High-active TTL/CMOS-compatible signals; each controls one channel independently
OUT0–OUT3	Protected high-side outputs	Four output pins per channel (e.g., OUT0 ×4); all pins per channel internally paralleled for current sharing
SO/SI/SCLK/CSN	SPI interface signals	Full-duplex serial interface supporting daisy-chain topology for multi-device systems
LHI	Limp Home activation	Hardware override to force safe output state during critical faults or ECU reset
IS	Analog current sense output	Multiplexed proportional current signal (V_IS = I_L/k_ILIS) shared across channels

Key Features

Feature	Design Value
Dual R_DS(ON) per channel pair	Optimizes thermal distribution: lower-loss channels (0/3) for high-power loads (e.g., 65W bulbs), higher-R_DS(ON) channels (1/2) for medium-power loads (e.g., 42W bulbs)
ReverseON & InverseON operation	Enables controlled switching during reverse battery conditions and inverse current flow - eliminates need for external reverse-polarity diodes
Programmable overcurrent restart	Allows system-level tuning of fault recovery behavior (e.g., latch-off vs. auto-retry) via SPI configuration registers
Integrated open-load detection	Validates load integrity both when channel is ON (high-side continuity) and OFF (floating-line detection) - improves functional safety compliance
Thermal derating with controlled restart	Dynamic temperature limitation prevents thermal runaway while enabling graceful degradation instead of hard shutdown

Applications

Automotive Interior Lighting

Body Control Module Outputs

Use Scenario: Driving 65 W incandescent or equivalent LED headlamp modules in door panels and footwells.

IC Role / Device Role / Timing Role: Quad-channel high-side driver with channel-specific current rating and thermal management.

Use Value: Eliminates discrete relay/fuse combinations; enables PWM dimming via IN pin control and real-time current feedback via IS pin.

Use Scenario: Controlling seat motor actuators, window lifters, and mirror adjusters in centralized BCM architectures.

IC Role / Device Role / Timing Role: Protected power switch with short-circuit and open-load diagnostics for safety-critical actuator interfaces.

Use Value: Reduces BOM count by integrating protection and diagnostics; supports limp-home fallback on single-channel failure.

Engine Bay Auxiliary Loads

Commercial Vehicle Cab Controls

Use Scenario: Powering radiator fans, coolant pumps, and HVAC blowers subject to ISO16750-2 load dump and cranking voltage dips.

IC Role / Device Role / Timing Role: High-voltage-tolerant high-side switch with 35 V clamp and 3.1 V UVLO for robust under-hood operation.

Use Value: Withstands harsh electrical environments without external TVS or UVLO circuitry; simplifies PCB layout and thermal design.

Use Scenario: Managing dashboard indicator lights, wiper motors, and horn circuits in heavy-duty truck cab electronics.

IC Role / Device Role / Timing Role: SPI-configurable quad-driver with daisy-chain support for scalable multi-node control networks.

Use Value: Enables centralized diagnostics and firmware-updatable protection thresholds across dozens of nodes via single MCU SPI bus.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-channel high-side switch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BTS724G	Single-channel, 60 mΩ R_DS(ON), no SPI interface, analog current sense only	Requires four separate ICs and discrete logic for quad control; lacks daisy-chain diagnostics	Select when cost-sensitive, low-channel-count designs prioritize simplicity over integration
TPS4H160-Q1	Quad-channel, 160 mΩ R_DS(ON), SPI interface, but no ReverseON/InverseON or Limp Home mode	Lower current capability (2.5 A per channel); unsuitable for 65W bulb loads or reverse-battery scenarios	Select when moderate-power, non-reverse-polarity applications require TI ecosystem compatibility

Compared with BTS722204ESAXUMA1, BTS724G increases board area and component count while losing diagnostic depth, whereas TPS4H160-Q1 trades off current capacity and reverse-polarity resilience for broader vendor toolchain support - making the Infineon device optimal for high-integrity, high-current automotive body electronics.

Availability

BTS722204ESAXUMA1 is available at Aetrix Electronics and suitable for automotive interior lighting, body control module outputs, engine bay auxiliary loads, and commercial vehicle cab controls requiring stable component supply and AEC-Q100 Grade 1 assurance.

Supply support for BTS722204ESAXUMA1 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

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and automotive qualification infrastructure.

The SPOC™ +2 product line delivers intelligent high-side power switches for automotive body electronics, designed to replace electromechanical relays and discrete protection circuits while meeting ASIL-B functional safety requirements.

FAQ

What is the purpose of the LHI pin?

The LHI (Limp Home Input) pin is a hardware-controlled override that forces all output channels into a predefined safe state - either ON or OFF - during critical system faults or microcontroller resets. It operates independently of SPI communication and requires a high-active signal referenced to VDD. This feature ensures fail-operational behavior in safety-critical automotive subsystems without software intervention.

How does the current sense output (IS) work across four channels?

The IS pin provides a multiplexed analog voltage proportional to load current (V_IS = I_L/k_ILIS), where k_ILIS is 5500 for channels 0/3 and 2500 for channels 1/2. Channel selection is controlled via SPI register writes; the selected channel's current is presented on IS within microseconds. No external multiplexer is needed, but the host MCU must synchronize SPI reads with IS sampling to avoid aliasing between channels.

Can BTS722204ESAXUMA1 drive inductive loads like solenoids or motors?

Yes - the device supports inductive loads with integrated overvoltage clamping (35 V) and slew rate control to limit voltage spikes during turn-off. Its absolute maximum VS rating of 28 V and built-in energy dissipation path allow direct driving of 12 V solenoids and small DC motors. However, peak inrush currents must remain below the channel's nominal rating (7 A or 4 A), and external flyback diodes are not required due to internal clamping.

Is daisy-chaining multiple BTS722204ESAXUMA1 devices supported in hardware?

Yes - the device natively supports SPI daisy-chaining via dedicated SO (serial out) and SI (serial in) pins. When configured in daisy-chain mode, a single MCU SPI bus can control up to 16 devices using one CSN line. Data propagates serially: SO of device N connects to SI of device N+1, enabling synchronized configuration and diagnostic readback across the chain without additional GPIOs or address decoding logic.

BTS722204ESAXUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: SPOC™

Package/Case:: 24-TSSOP (0.154", 3.90mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: HID Lamp Controller

Frequency:: 5MHz

Voltage - Supply:: 6V ~ 18V

Current - Supply:: 80 µA

Current - Output Source/Sink:: 4A, 7A

Dimming:: No

Operating Temperature:: -40°C ~ 150°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TSDSO-24

BTS722204ESAXUMA1 FAQ

1.How can I place an order for BTS722204ESAXUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BTS722204ESAXUMA1 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 BTS722204ESAXUMA1 reliable?

The price and inventory of BTS722204ESAXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTS722204ESAXUMA1 is usually 5 days.

3.What payment methods are accepted for BTS722204ESAXUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTS722204ESAXUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BTS722204ESAXUMA1?

BTS722204ESAXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BTS722204ESAXUMA1 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 BTS722204ESAXUMA1?

For technical support, including BTS722204ESAXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTS722204ESAXUMA1 requirements.

6.How does Aetrix verify that BTS722204ESAXUMA1 is sourced from the original manufacturer or authorized distributors?

All BTS722204ESAXUMA1 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 BTS722204ESAXUMA1 meets industry standards.

7.What is the process for return or replacement of BTS722204ESAXUMA1?

All BTS722204ESAXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BTS722204ESAXUMA1, 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 BTS722204ESAXUMA1 part is unused and in its original packaging.

Return procedure for BTS722204ESAXUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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