TLE9877QXA40 - BLDC Motor SoC, 40MHz Cortex-M3, 64KB Flash | Infineon
Teilenummer: TLE9877QXA40 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $7.2 | $7,20 |
| 10 | $6.48 | $64,80 |
| 100 | $5.62 | $562,00 |
| 500 | $4.91 | $2.455,00 |
| 1.000 | $4.3 | $4.300,00 |
| 3.000 | $3.85 | $11.550,00 |
TLE9877QXA40 Übersicht
A System-on-Chip (SoC) in this context is a single silicon device that combines a microcontroller, communication transceivers, power-management blocks, and analog/driver peripherals. In the broader taxonomy it sits below Microcontroller Unit (MCU) and above a discrete motor-control board; the TLE9877QXA40 specifically belongs to the Embedded Power IC family aimed at fractional-horsepower automotive mechatronics. This integration collapses what used to be a four-chip solution (MCU + LIN transceiver + 3-phase pre-driver + LDO) into one AEC-Q100-qualified die, reducing PCB area and BOM count in space-constrained modules such as water pumps, fans, and HVAC blowers.
Key features include 64 KB Flash with ECC, 6 KB SRAM, a 10-bit SAR ADC with multiple channels, a 16-bit timer/capture unit (CCU6) for PWM generation, an integrated LIN 2.x transceiver conforming to SAE J2602, and on-chip NFET drivers capable of sourcing/sinking gate charge at the multi-milliampere level needed for automotive MOSFET switching. The IC supports multiple low-power modes (Sleep, Stop, Cyclic) for quiescent current budgets typical of always-on body-control networks.
The architecture couples an Arm Cortex-M3 DSP-capable core with the application-specific peripheral set (CCU6, ADC, gate drivers, LIN). Hardware state machines and the CCU6 block offload PWM and commutation timing from the CPU, leaving headroom for closed-loop control algorithms, LIN stack processing, and safety diagnostics. ECC-protected Flash and brown-out / watchdog functions target ISO 26262 ASIL-B capable systems when used with an external safety companion or proper software partitioning.
Typical applications include 12 V automotive BLDC water pumps, HVAC blower fans, fuel-pump modules, and auxiliary pumps where the LIN bus is the primary command interface and PCB area is at a premium. The integrated LIN transceiver also makes the part a natural fit for LIN-actuated seat fans and small radiator cooling modules.
When designing with the TLE9877QXA40, mind thermal dissipation in the VQFN-48 exposed pad; tie the EP to a sufficiently large copper pour (≥1 cm²) and respect the 0.5 mm pitch during PCB layout. Always validate NFET selection against the driver's gate-drive capability and confirm LIN bus dominant timeouts against your network schedule table.
This page synthesizes distributor pricing, drop-in MOTIX family alternatives, and practical design notes that go beyond the manufacturer datasheet summary to help engineers compare the TLE9877QXA40 against competing solutions in real BOM contexts.
Drop-in-Alternativen für TLE9877QXA40 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
TLE9879QXA40
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
TLE9877QXA40XUMA3
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TLE9877QXA40
✅ Drop-In✓ Auf Lager
$3.85 / Stück
Datenblatt ansehen →TLE9877QXAF40
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
S12ZVML12F1VLF
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TLE9877QXA40 Grenzwerte & elektrische Eigenschaften
| Product Family | MOTIX TLE987x |
| Core Architecture | 32-bit Arm Cortex-M3 with DSP instructions |
| CPU Frequency | 40 MHz |
| Program Memory | 64 KB Flash with ECC |
| RAM | 6 KB |
| Supply Voltage (Vbat) | 5.5 V to 28 V |
| LIN Transceiver | Integrated LIN 2.x / SAE J2602 |
| Gate Drivers | 3-phase NFET drivers with integrated charge pump |
| PWM Support | 100% duty cycle via charge pump |
| ADC | 10-bit SAR, multiple channels |
| Timer Unit | CCU6 (Capture Compare Unit 6) |
| Gehäuse | VQFN-48-31 (PG-VQFN-48-31), 0.5 mm pitch |
| Montageart | Surface Mount, exposed pad |
| Betriebstemperatur | -40 C to +150 C (junction, automotive grade) |
| Automotive Qualification | AEC-Q100 |
| RoHS-Status | Compliant |
TLE9877QXA40 vqfn-48-31 (pg-vqfn-48-31), 0.5 mm pitch Pinbelegungsleitfaden
Pinbelegung für TLE9877QXA40 (vqfn-48-31 (pg-vqfn-48-31), 0.5 mm pitch-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für TLE9877QXA40.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
TLE9877QXA40 ist geeignet für 6 Anwendungs: Automotive 12V BLDC Water Pump, HVAC Blower Fan Control, Fuel Pump Module (LIN-Controlled), Engine Cooling Fan Module, Seat Ventilation Blower, Industrial 24V BLDC Pump.
Automotive 12V BLDC Water Pump
The TLE9877QXA40 is purpose-built for 12 V automotive coolant and water pumps, where its integrated LIN 2.x transceiver, NFET gate drivers, and 100% duty-cycle charge pump eliminate the need for a separate MCU, LIN transceiver, and pre-driver IC. The 40 MHz Cortex-M3 core runs field-oriented control (FOC) or trapezoidal commutation with the CCU6 timer offloading PWM edge timing. With 5.5 V to 28 V Vbat tolerance, the part survives jump-start and load-dump events that are routine in this environment. AEC-Q100 qualification and a VQFN-48-31 package with exposed thermal pad support underhood mounting at +150 C junction temperature.
Empfohlen
HVAC Blower Fan Control
HVAC blower modules require quiet variable-speed BLDC control over a LIN command bus from the body controller. The TLE9877QXA40's integrated LIN transceiver removes an external IC, its 64 KB Flash holds a full LIN-communication stack plus a speed-control state machine, and the CCU6 peripheral generates center-aligned PWM that reduces acoustic noise. The on-chip NFET drivers source/sinking enough gate charge for the discrete power MOSFETs typically used at 12 V / 20 to 30 A blower loads. Sleep and Stop low-power modes keep quiescent current within automotive body-module budgets when the blower is idle.
Empfohlen
Fuel Pump Module (LIN-Controlled)
Electric fuel-pump modules increasingly use BLDC motors for efficiency and diagnostics. The TLE9877QXA40 supports this role with an integrated LIN bus interface that reports pump speed, temperature, and fault states back to the engine-control or body module. The 6 KB RAM and 64 KB Flash are sufficient for sensorless back-EMF commutation routines, and the integrated charge pump ensures reliable high-side switching at low rotor speeds. The AEC-Q100 qualification and 5.5 V to 28 V supply tolerance cover underbody installation near the fuel tank.
Empfohlen
Engine Cooling Fan Module
Radiator cooling fans require robust 12 V BLDC control in a thermally harsh underhood environment. The TLE9877QXA40's VQFN-48-31 package with exposed pad (PG-VQFN-48-31) and +150 C junction rating tolerate this environment directly. Its integrated NFET drivers drive the three-phase bridge of high-current MOSFETs sized for fans drawing 30 to 80 A peak. Hardware CCU6 PWM generation reduces CPU load, leaving headroom for LIN diagnostics and closed-loop temperature-driven speed control.
Empfohlen
Seat Ventilation Blower
LIN-actuated seat fans and lumbar blowers benefit from the TLE9877QXA40's small footprint and integration. The part handles 12 V BLDC commutation for low-power blower motors while listening for LIN commands from the seat-control module. Its integrated NFET drivers, charge pump, and 5 V / 1.5 V LDOs eliminate the need for an external LDO and pre-driver, simplifying PCB design and reducing BOM cost in comfort-feature modules.
Empfohlen
Industrial 24V BLDC Pump
Although the TLE9877QXA40 is qualified for automotive 12 V, the 28 V absolute maximum supply rating permits use in industrial 24 V systems with appropriate transient protection. Integrated LIN or UART-based command interface, NFET drivers, and an AEC-Q100-grade silicon make this part attractive for factory-automation pump modules where automotive-grade reliability is valued. The 64 KB Flash supports IEC 61131-style logic or custom C firmware for process-control applications.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für TLE9877QXA40 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | TLE9879QXA40 | TLE9877QXA40XUMA3 | TLE9877QXAF40 | S12ZVML12F1VLF |
|---|---|---|---|---|---|
| Package | VQFN-48-31 (PG-VQFN-48-31), 0.5 mm pitch | VQFN-48-31 (PG-VQFN-48-31), 0.5 mm pitch - same | VQFN-48-31 (PG-VQFN-48-31), 0.5 mm pitch - same | VQFN-48-31 (PG-VQFN-48-31), 0.5 mm pitch - same | LQFP-48 - different footprint, 0.5 mm pitch |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | NXP Semiconductors |
| Core | Arm Cortex-M3 @ 40 MHz | Arm Cortex-M3 @ 40 MHz | Arm Cortex-M3 @ 40 MHz | Arm Cortex-M3 @ 40 MHz | NXP S12Z @ 50 MHz |
| Flash | 64 KB | 64 KB | 64 KB | 64 KB | 128 KB |
| RAM | 6 KB | 6 KB | 6 KB | 6 KB | 8 KB |
| Integrated LIN Transceiver | Yes (LIN 2.x / SAE J2602) | Yes | Yes | Yes | Yes |
| Integrated NFET Drivers | 3-phase with charge pump (100% duty) | 3-phase with charge pump (100% duty) | 3-phase with charge pump (100% duty) | 3-phase with charge pump (100% duty) | Yes, integrated |
| Supply Voltage | 5.5 V to 28 V | 5.5 V to 28 V | 5.5 V to 28 V | 5.5 V to 28 V | 5.5 V to 28 V |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
Wichtigste Unterscheidungsmerkmale
- Highest integration in MOTIX TLE987x 40 MHz family for 3-phase BLDC SoC (vs. STM32F303)
- VQFN-48-31 footprint with exposed thermal pad for harsh underhood automotive environment (vs. S12ZVML12F1VLF)
- 100% PWM duty cycle supported by integrated charge pump (vs. Discrete MCU + external pre-driver design)
Designhinweise
The TLE9877QXA40 in the VQFN-48-31 package dissipates primarily through the exposed pad (PG-VQFN-48-31). Tie the EP to a contiguous ground copper pour of at least 1 cm² on the top layer with multiple thermal vias to inner ground planes. With the charge pump running at 40 MHz CPU clock and gate-driver switching losses in the external NFETs, junction temperature can rise significantly in sealed mechatronic housings; validate with a thermocouple on the EP during worst-case stall tests.
Keep the LIN bus traces short and route them away from the switching power-stage traces to minimize crosstalk. Place the LIN pull-up/pull-down resistors and the LIN bus ESD protection diode within 5 mm of the LIN pin. Decouple the Vbat supply with a 100 nF ceramic capacitor close to the pin plus a bulk 10 µF / 47 µF electrolytic or tantalum capacitor at the module entry. Observe 0.5 mm pitch clearance rules for the VQFN-48-31 footprint; missing the pitch is the most common layout error on first prototypes.
Do not exceed the 28 V absolute-maximum supply rating; transient suppressors (TVS diodes) are recommended at the Vbat pin for jump-start and load-dump protection. Always populate the NFET gate-source pull-down resistors so that the bridge is in a defined state during power-up before the firmware initializes the timer. Ensure LIN dominant timeouts are configured per the LIN network schedule table to avoid bus-stuck-dominant conditions that could block other ECUs from communicating.
Estimated: with VIN=12 V, three external NFETs each carrying 5 A continuous, and the TLE9877QXA40 driving them at 25 kHz PWM, the IC's gate-drive supply current is roughly 10 to 15 mA from the internal 12 V charge pump. Combined with CPU activity at 40 MHz, total Vbat current is on the order of 30 to 40 mA plus external MOSFET gate charge. Always verify gate-charge budget against the charge pump output current rating before choosing switching frequency.
Compliance-Informationen
AEC-Q100 qualified per Infineon product page. RoHS and REACH compliant. Lead-free and halogen-free per Infineon material declaration. Part is part of the MOTIX TLE987x automotive motor-control family.
