S9S12VR48AF0VLF - MagniV 16-bit MCU, 48KB Flash, 25MHz, LQFP-48 | NXP
MPN: S9S12VR48AF0VLF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.75 | $67.50 |
| 100 | $6.05 | $605.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.85 | $4,850.00 |
S9S12VR48AF0VLF Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, volatile memory (RAM), non-volatile program memory (Flash/ROM), and integrated peripherals such as timers, ADCs, communication controllers, and GPIO. The MagniV family specifically combines the HCS12 16-bit CISC CPU core with high-voltage analog interfaces, allowing direct connection to 12V automotive buses without external level shifters. This integration reduces PCB area and BOM cost in body and chassis ECUs.
Key features of the S9S12VR48AF0VLF include 48KB on-chip Flash program memory, 2KB RAM, 512 bytes EEPROM, a 6-channel 10-bit ADC, an integrated 5V regulator for sensor supply (EVDD), a LIN physical interface compliant with LIN 2.x, high-side and low-side drivers for relay/motor loads, and high-voltage input pins tolerant of 12V battery transients. The 12V1 S12 core delivers deterministic interrupt latency suitable for time-critical body-control tasks.
The S12VR architecture pairs an enhanced HCS12 CISC core with mixed-signal high-voltage I/O, enabling direct connection to automotive switch panels, sensors, and actuators. Integrated gate drivers and current-sense paths support H-bridge and half-bridge topologies for small DC motors, while the on-chip 5V regulator (EVDD) powers external Hall-effect sensors without an external LDO. The 25MHz bus clock yields sufficient throughput for LIN scheduling, PWM generation, and ADC post-processing in body modules.
Typical applications include automotive window lift, sunroof, seat control, HVAC flap actuators, mirror adjustment, and lighting modules where a small-footprint LIN node must drive relays or brushed motors. The integrated high-side/low-side drivers and 12V-tolerant inputs eliminate the need for many discrete components.
When designing with this MCU, ensure adequate PCB copper for thermal dissipation of the integrated drivers (refer to the manufacturer's thermal model), and place bypass capacitors within 5mm of the EVDD and VDDR pins. The LIN bus pin requires a pull-up and protection network per the LIN physical layer specification.
This page synthesizes distributor pricing, AEC-Q100 qualification details, application examples, and drop-in alternatives that are not collected in a single view in the manufacturer datasheet, supporting faster design decisions for 12V body-control nodes.
Drop-in alternatives for S9S12VR48AF0VLF — 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 S9S12VR48AF0VLF (same form factor and footprint) — differing in Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12VR48AF0MLF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S12VR48F2CLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →S9S12VR48AF0VLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.85 / Unit
View Datasheet →S9S12VR48F0MLF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S12VR64AF0VLF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S12VR48AF0VLF Maximum Ratings & Electrical Characteristics
| Core Processor | S12 12V1 (HCS12 CISC) |
| Core Size | 16-Bit |
| Maximum CPU Frequency | 25 MHz |
| Program Memory Size | 48 KB (48K x 8) Flash |
| RAM Size | 2 KB |
| EEPROM Size | 512 x 8 bytes |
| Number of I/O | 28 |
| ADC | 6-channel, 10-bit |
| Connectivity | IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Package | 48-LQFP (7x7 mm) |
| Operating Temperature | -40C to +105C |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 Automotive |
| Lead-Free / RoHS | Yes (compliant per distributor listing) |
| Integrated Voltage Regulator | EVDD 5V sensor supply |
S9S12VR48AF0VLF Pin Configuration
| Pin 1 | PT0 — General-purpose I/O / TIM channel |
| Pin 2 | PT1 — General-purpose I/O / TIM channel |
| Pin 3 | PT2 — General-purpose I/O |
| Pin 4 | PT3 — General-purpose I/O |
| Pin 5 | VDDR — Regulated digital supply |
| Pin 6 | VSS — Digital ground |
| Pin 7 | VDDX — I/O supply (5V/3.3V) |
| Pin 8 | RESET — External reset input, active low |
| Pin 9 | TEST — Test mode pin, tie to VSS for normal operation |
| Pin 10 | BKGD — Background Debug Mode (BDM) communication |
| Pin 11 | PAD0 — Port AD bit 0 / ADC input |
| Pin 12 | PAD1 — Port AD bit 1 / ADC input |
| Pin 13 | PAD2 — Port AD bit 2 / ADC input |
| Pin 14 | PAD3 — Port AD bit 3 / ADC input |
| Pin 15 | PAD4 — Port AD bit 4 / ADC input |
| Pin 16 | PAD5 — Port AD bit 5 / ADC input |
| Pin 17 | EVDD — 5V sensor supply output |
| Pin 18 | LIN — LIN physical bus interface |
| Pin 19 | VSUP — Battery supply (12V) |
| Pin 20 | HS0 — High-side driver 0 output |
| Pin 21 | HS1 — High-side driver 1 output |
| Pin 22 | HS2 — High-side driver 2 output |
| Pin 23 | LS0 — Low-side driver 0 output |
| Pin 24 | LS1 — Low-side driver 1 output |
| Pin 25 | LS2 — Low-side driver 2 output |
| Pin 26 | VHVI0 — High-voltage input 0 (12V tolerant) |
| Pin 27 | VHVI1 — High-voltage input 1 (12V tolerant) |
| Pin 28 | VHVI2 — High-voltage input 2 (12V tolerant) |
| Pin 29 | VHVI3 — High-voltage input 3 (12V tolerant) |
| Pin 30 | VHVI4 — High-voltage input 4 (12V tolerant) |
| Pin 31 | VHVI5 — High-voltage input 5 (12V tolerant) |
| Pin 32 | VHVI6 — High-voltage input 6 (12V tolerant) |
| Pin 33 | VHVI7 — High-voltage input 7 (12V tolerant) |
| Pin 34 | PP0 — Port P PWM / GPIO |
| Pin 35 | PP1 — Port P PWM / GPIO |
| Pin 36 | PP2 — Port P PWM / GPIO |
| Pin 37 | PP3 — Port P PWM / GPIO |
| Pin 38 | PP4 — Port P PWM / GPIO |
| Pin 39 | PP5 — Port P PWM / GPIO |
| Pin 40 | PP6 — Port P PWM / GPIO |
| Pin 41 | PP7 — Port P PWM / GPIO |
| Pin 42 | PS0 — Port S / SPI / SCI alternate function |
| Pin 43 | PS1 — Port S / SPI / SCI alternate function |
| Pin 44 | PS2 — Port S / SPI / SCI alternate function |
| Pin 45 | PS3 — Port S / SPI / SCI alternate function |
| Pin 46 | PS4 — Port S / SPI / SCI alternate function |
| Pin 47 | PS5 — Port S / SPI / SCI alternate function |
| Pin 48 | PS6 — Port S / SPI / SCI alternate function |
Typical Applications
S9S12VR48AF0VLF is suitable for 7 applications: Automotive Window Lift Control, Sunroof and Sliding Roof Module, HVAC Flap and Blower Actuator, Power Mirror Adjustment, Interior LED Lighting Module, Seat Control and Lumbar Adjustment, Door Lock and Latch Actuator.
Automotive Window Lift Control
The S9S12VR48AF0VLF is purpose-built for relay-driven DC motor control in body electronics such as power window lifts, per the NXP S12VR family description. The integrated high-side and low-side drivers source and sink the brushed motor directly, while the LIN physical interface communicates position and obstacle events to the body controller. The 6-channel 10-bit ADC reads current-sense feedback for anti-pinch algorithms, and the PWM timers drive the motor speed profile at 25MHz CPU throughput. AEC-Q100 Grade 2 (-40C to +105C) qualification and 12V-tolerant input pins allow direct connection to the automotive battery bus without external protection on every I/O line.
Recommended
Sunroof and Sliding Roof Module
The S9S12VR48AF0VLF suits sunroof and sliding-roof actuator modules where a small LIN node must drive a relay or H-bridge DC motor. The integrated EVDD 5V regulator powers Hall-effect position sensors directly, eliminating an external LDO and shrinking the BOM. With 48KB Flash and 2KB RAM, the MCU holds LIN scheduling tables, anti-pinch software, and small diagnostic routines. The 12V1 S12 core provides deterministic interrupt latency for end-of-travel and obstruction detection. AEC-Q100 qualification simplifies OEM PPAP submission for roof-system suppliers.
Recommended
HVAC Flap and Blower Actuator
In HVAC flap and blower modules, the S9S12VR48AF0VLF integrates the MCU, LIN interface, and driver stages needed to position stepper or DC actuator motors. The 12V-tolerant inputs connect directly to automotive switch panels, and the on-chip 5V regulator supplies sensor circuitry such as NTC temperature feedback. The PWM peripherals generate the variable-duty drive signals for blower speed control, while 6 ADC channels monitor current and temperature. AEC-Q100 Grade 2 compliance supports under-dash thermal environments.
Recommended
Power Mirror Adjustment
Power mirror adjustment modules use two small DC motors (X/Y axes) plus optional heating and folding. The S9S12VR48AF0VLF's integrated high-side and low-side drivers handle the mirror motors directly via an H-bridge topology, and the LIN interface delivers mirror-position commands from the body controller. The 28 GPIO plus multiplexed ADC channels read fold-position switches and manage the heater PWM. Automotive AEC-Q100 qualification plus -40C to +105C operation matches exterior door-module thermal requirements.
Recommended
Interior LED Lighting Module
The S9S12VR48AF0VLF can act as a LIN-attached smart lighting controller for ambient and reading lights, where dimming PWM and current feedback are required. The 6-channel PWM and 6-channel 10-bit ADC enable per-channel current regulation of LED strings, while the integrated high-side drivers switch the lighting loads up to battery voltage. The 5V EVDD regulator powers small ambient light sensors and the LIN transceiver interface. The AEC-Q100 rating supports interior cabin thermal conditions, and the 48KB Flash holds dimming curve tables and diagnostic fault logs.
Recommended
Seat Control and Lumbar Adjustment
For seat-position and lumbar-adjustment modules, the S9S12VR48AF0VLF drives multiple small DC motors and reads position feedback from Hall sensors or potentiometers via its 10-bit ADC. The LIN physical interface integrates seat-control commands from the body or seat ECU, reducing wiring harness complexity. AEC-Q100 Grade 2 qualification and -40C to +105C operation support under-seat thermal conditions. The integrated EVDD 5V rail powers Hall sensors without an external regulator, simplifying the seat-module BOM.
Recommended
Door Lock and Latch Actuator
The S9S12VR48AF0VLF suits door-lock and latch-actuator modules that require an integrated LIN interface plus direct motor drive. The high-side and low-side drivers handle the lock motor, while the GPIO inputs read latch-position micro-switches. AEC-Q100 Grade 2 qualification plus 12V-tolerant inputs withstand the harsh electrical environment of door modules subject to harness transients. The 48KB Flash stores security codes, anti-theft logic, and LIN diagnostics for OEM end-of-line testing.
Recommended
Recommended Products Summary
Engineering reference data for S9S12VR48AF0VLF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12VR48AF0MLF | S9S12VR48F2CLF | S9S12VR48F0MLF | S9S12VR64AF0VLF |
|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Processor | S12 12V1 (HCS12) | S12 12V1 (HCS12) | S12 12V1 (HCS12) | S12 12V1 (HCS12) | S12 12V1 (HCS12) |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 64 KB (+33%) |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB (+100%) |
| CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Integrated LIN PHY | Yes | Yes | Yes | Yes | Yes |
| Integrated HS/LS Drivers | Yes (3 HS + 3 LS) | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Integrated LIN + driver stage eliminates external transceiver and gate drivers (vs MC9S08DZ60F1CLH)
- Higher Flash and RAM for LIN body-control firmware headroom (vs S9S12VR48F2CLF)
- Migration path to 64KB Flash within the same LQFP-48 footprint (vs S9S12VR64AF0VLF)
Design Notes
Estimated: at VSUP = 14V, LS driver sink current = 1A continuous into a brushed motor with 50% duty cycle, the integrated low-side driver dissipates approximately 0.5W plus resistive losses in the H-bridge. With LQFP-48 thermal resistance theta_JA near 60 C/W (per typical JEDEC test board), junction temperature rises roughly 30C above ambient. For sustained loads above 1.5A, place copper pours directly under the exposed pad footprint and validate with thermocouples per the S12VR48 datasheet thermal model.
Place the VSUP and VDDR bypass capacitors within 5 mm of their respective pins; the NXP S12VR48 datasheet recommends a 100 nF ceramic on each supply plus a 4.7 uF bulk capacitor on VSUP for 12V battery transient suppression. Route the LIN bus trace as a 100 ohm differential-like single-ended line with a master pull-up resistor (typically 1 kohm) and a reverse-battery protection diode. Keep the BDM / BKGD trace short and away from high-current motor traces to avoid coupling noise into debug operations.
Do not leave the TEST pin floating - tie TEST low (VSS) for normal operation per the S12VR48 reference manual. Ensure the EVDD pin does not source more than the datasheet-rated sensor supply current; external loads beyond specification will fold back the on-chip regulator. The high-side drivers are designed for resistive and inductive loads up to the datasheet limit; adding large capacitors directly at the HS outputs can create inrush currents beyond the protection thresholds and trigger fault shutdown.
Compliance Information
AEC-Q100 automotive qualified per NXP MagniV family description. Lead-free (LF) finish per distributor listings. Halogen-free and conflict-minerals status not explicitly stated in the verified web data; set to unknown rather than guess.