Infineon TLF50281ELXUMA3 Automotive PMIC Overview for B2B Vehicle Control Systems
The Infineon TLF50281ELXUMA3 is a highly integrated, automotive-grade Power Management IC (PMIC)??engineered for B2B applications requiring consolidated power regulation, robust voltage protection, and space efficiency for Automotive Electronics. It targets core vehicle control systems: body control modules (BCMs), HVAC control units, and lighting control modules. Key integrations include: dual-channel linear voltage regulators (fixed 3.3V/5.0V outputs), 4.5V?C40V wide input range (handles 12V battery spikes/jump-starts), 94% peak efficiency (minimizes power loss), built-in over-voltage/over-temperature/short-circuit protection, PG-TSDSO-14 (Thin Shrink Dual Small Outline, 14-pin) surface-mount package, and -40??C to +125??C operating temperature??delivering reliable, multi-function power management for compact vehicle control units.
함께 dual-channel regulation + 4.5V?C40V input range (tuned for BCM integration and automotive voltage variability), it balances three critical B2B needs: design simplification (reduces external components), component protection (shields against surges), and cost efficiency (cuts PCB layers). As part of Infineon??s automotive PMIC lineup??a series trusted by 125,000+ automotive electronics engineers and BCM manufacturers??it meets strict quality benchmarks: AEC-Q100 Grade 2 (1,000+ hours of stress testing), ISO 26262 ASIL-B (functional safety for vehicle controls), RoHS 3, and UL 94V-0 (package flammability).
베스트셀러 제품
Senior engineers at a leading BCM manufacturer endorse it: ??This PMIC replaces 3 discrete components in our BCMs. Its 40V input handles jump-starts, and 94% efficiency cuts battery drain??we hit 99.96% BCM uptime and 98% automaker satisfaction.?? For more integrated automotive power management solutions, visit IC 제조업체.
Technical Parameters of Infineon TLF50281ELXUMA3
| 매개변수 | 사양 |
|---|---|
| 제품 유형 | Infineon Automotive-Grade Power Management IC (PMIC) |
| 주요 기능 | Dual-channel voltage regulation (3.3V/5.0V), over-voltage/over-current/thermal protection for vehicle controls |
| 입력 전압 범위 | 4.5V to 40V DC (handles 12V battery spikes, jump-starts, and load dumps) |
| Output Channels & Voltage | Channel 1: Fixed 3.3V (??2% accuracy); Channel 2: Fixed 5.0V (??2% accuracy) |
| Maximum Output Current (Per Channel) | 300mA (continuous operation; supports BCM microcontrollers/sensors) |
| 효율성(피크) | 94% (at 12V input, 3.3V/200mA + 5.0V/200mA output; typical BCM load conditions) |
| 보호 기능 | Over-voltage protection (OVP: 42V typ), over-current protection (OCP), thermal shutdown (TSD: 150??C typ), short-circuit protection (SCP) |
| 자동차 규정 준수 | AEC-Q100 2등급(-40??C ~ +125??C), ISO 26262 ASIL-B |
| 작동 온도 범위 | -40??C to +125??C (cabin, under-dash, and engine bay-adjacent environments) |
| 패키지 유형 | PG-TSDSO-14 (5.0mm x 6.5mm x 0.85mm, 14-pin Thin Shrink Dual Small Outline; surface-mount) |
| 규정 준수 | AEC-Q100 2등급, ISO 26262 ASIL-B, RoHS 3, UL 94V-0 |
Key Technical Features of TLF50281ELXUMA3 Automotive PMIC
- Dual-Channel Voltage Regulation: Simplifies BCM designs. A BCM firm noted: ??Replaces 2 discrete regulators + 1 protector??component count dropped by 40%, cutting BCM assembly time by 25%.??
- 4.5V?C40V Wide Input Range: Shields against surges. An HVAC control firm shared: ??40V input handles 36V jump-starts??microcontroller damage fell by 95%, saving $320,000 yearly in warranty claims.??
- PG-TSDSO-14 Compact Package: Reduces PCB costs. A lighting module manufacturer confirmed: ??Single-layer PCB compatibility vs. 2-layer for discrete parts??BCM manufacturing costs fell by 18%, saving $45,000 yearly.??
- 94% 최고 효율: Extends battery life. An EV BCM firm said: ??94% efficiency vs. 86% discrete solutions cuts BCM power use??vehicle battery life increased by 1.2 years, boosting customer satisfaction.??
- 4-in-1 Protection Features: Prevents downtime. A fleet BCM supplier explained: ??OVP/OCP/SCP stopped 99% of BCM failures??fleet roadside repairs dropped by 85%, pleasing logistics clients.??
일반적인 대안과 비교한 장점
Compared to discrete component setups (multiple regulators/protectors), narrow-input PMICs (fail surges), and complex-package PMICs (need multi-layer PCBs), this Infineon PMIC solves critical B2B pain points??backed by real automaker feedback:
🌟 주요 제품
1. Simpler Design Than Discrete Component Setups: Discrete setups (2 regulators + 1 protector) use 3 separate ICs, adding 40% more components and 25% longer assembly time. The dual-channel PMIC integrates all functions. A BCM engineer said: ??Our old discrete BCMs had 12 power-related components??this PMIC cuts it to 7. We saved $2.10 per BCM, reduced assembly time by 25%, and won a $3.2M contract with a global automaker that wanted faster production.??
2. Better Surge Protection Than Narrow-Input PMICs: Narrow-input (4.5V?C18V) PMICs fail during 12V vehicle jump-starts (30V?C36V spikes), causing 18% of BCM microcontroller failures and $600,000 yearly in warranties. The 40V range eliminates this. An HVAC control engineer shared: ??Our old 18V PMICs ruined 18% of HVAC microcontrollers??this 40V model cuts failures to 0.9%. We saved $320k in warranties and retained a $1.8M EV HVAC contract, as EV battery spikes are more frequent.??
📩 문의하기
3. Lower PCB Costs Than Complex-Package PMICs: Complex-package PMICs (e.g., QFN24) require 2-layer PCBs ($0.50 per unit more than single-layer), adding $25,000 yearly for 50,000 BCMs. The PG-TSDSO-14 works with single-layer PCBs. A lighting module engineer confirmed: ??Our old QFN24 PMICs needed 2-layer PCBs??this PG-TSDSO-14 model uses single-layer. We cut PCB costs by 18%, saved $45k yearly, and launched a low-cost lighting module that won a $1.1M order for entry-level cars.??
일반적인 애플리케이션
- Automotive Electronics (Body Control Modules (BCMs)): Dual-channel regulation simplifies design, 40V input handles surges. A BCM firm sold 75,000 units to automakers, cutting component count by 40%.
- Automotive Electronics (HVAC Control Units): 94% efficiency reduces battery drain, -40??C tolerance works in cold climates. An HVAC firm sold 60,000 units to northern markets, lowering warranty claims by 95%.
- Automotive Electronics (Lighting Control Modules): PG-TSDSO-14 uses single-layer PCBs, 5.0V output powers LED drivers. A lighting firm sold 55,000 units, cutting manufacturing costs by 18%.
- Automotive Electronics (Door Control Modules): Over-current protection prevents motor damage, 3.3V output powers door sensors. A door module firm sold 45,000 units, reducing roadside repairs by 85%.
- Automotive Electronics (Seat Control Units): 4.5V?C40V input handles voltage fluctuations, 94% efficiency cuts power use. A seat control firm sold 30,000 units to luxury automakers, extending battery life by 1.2 years.
자주 묻는 질문(FAQ)
Why is dual-channel regulation important for BCM designs?
BCMs need 3.3V for microcontrollers and 5.0V for sensors??discrete setups use 2 separate regulators, adding 40% more components and 25% longer assembly time. Dual-channel regulation integrates both. A BCM engineer said: ??Our old discrete BCMs had 12 power components??this PMIC cuts it to 7. We saved $2.10 per unit, reduced assembly time by 25%, and won a $3.2M automaker contract for faster production.??
How does the 4.5V?C40V input range protect HVAC microcontrollers?
HVAC microcontrollers connect to 12V batteries, which spike to 30V?C36V during jump-starts. Narrow-input (18V max) PMICs fail these spikes, breaking 18% of microcontrollers. The 40V range shields them. An HVAC engineer said: ??Our old 18V PMICs ruined 18% of microcontrollers??this 40V model cuts failures to 0.9%. We saved $320k in warranties and kept a $1.8M EV HVAC contract, as EV batteries spike more often.??
What value does the PG-TSDSO-14 package add for lighting control modules?
Lighting modules for entry-level cars need low-cost PCBs??complex packages (QFN24) require 2-layer PCBs ($0.50 more per unit). The PG-TSDSO-14 uses single-layer PCBs. A lighting engineer said: ??Our old QFN24 modules needed 2-layer PCBs??this PG-TSDSO-14 model uses single-layer. We cut PCB costs by 18%, saved $45k yearly, and launched a low-cost module that won a $1.1M order for entry-level cars.??
Why is 94% efficiency important for EV seat control units?
EV seat control units run on battery power??low-efficiency (86%) PMICs waste 14% of power, shortening battery life by 0.8 years. 94% efficiency cuts waste to 6%, extending life. A seat control engineer said: ??Our old 86% PMICs shortened battery life??this 94% model adds 1.2 years. A luxury EV maker ordered 30,000 units, as their customers prioritize long battery life, growing our revenue by 22%.??
How does AEC-Q100 Grade 2 compliance benefit door control modules?
Door control modules face -40??C (winter) to +125??C (summer cabin heat)??non-compliant PMICs fail in 12% of cases, causing door lock/unlock issues. Grade 2 tests ensure survival. A door module engineer said: ??Our old non-compliant PMICs failed 12% of the time??this Grade 2 model fails 0.7%. Fleet roadside repairs dropped by 85%, and a logistics client renewed their $900k contract, as their trucks need reliable door controls.??
