MC34912BAC vs MC33912BAC Comparison
Detailed side-by-side comparison of MC34912BAC by NXP Semiconductors and MC33912BAC by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
MC34912BAC - LIN System Basis Chip with DC Motor Pre-Driver | NXP
MC34912BAC ObsoleteNXP Semiconductors
MC33912BAC - LIN SBC with DC Motor Pre-Driver | NXP Semiconductors
MC33912BAC ✗ End of LifeSpecification Comparison
| Parameter | MC34912BAC | MC33912BAC |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.10 | $3.35 |
| Function | LIN System Basis Chip with DC Motor Pre-Driver and Current Sense | LIN System Basis Chip (SBC) with DC motor pre-driver and current sense |
| Interface | SPI (Serial Peripheral Interface) | — |
| LIN Transceiver | Yes (LIN physical layer, ISO 9141 / SAE J2602) | — |
| Number of LDOs | 2 x 5.0 V low-dropout regulators | — |
| Primary LDO Output | 5.0 V / 60 mA | — |
| Secondary LDO Output | 5.0 V / 20 mA | — |
| Supply Voltage Range | 5.5 V to 18 V | 5.5 V to 27 V |
| Supply Current (typical) | 4.5 mA | — |
| DC Motor Pre-Driver | Yes (low-side / H-bridge pre-driver) | Low-side pre-driver for H-bridge control |
| Current Sense Amplifier | Yes (internal) | Integrated, adjustable gain, SPI-readable |
| Watchdog | Selectable timing window via SPI | Selectable window watchdog |
| ESD Protection (LIN pin, contact) | +/-6.0 kV minimum (IEC 61000-4-2 gun test, 150 pF / 330 ohm) | — |
| ISO 7637 Pulse 3b Immunity | Yes | — |
| Operating Temperature | [DATA_NEEDED: temperature grade] | -40C to +125C (automotive grade) |
| Package | 32-LQFP (7x7 mm) | 32-pin LQFP (exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tray | Tray |
| Lead-Free / RoHS | Per NXP product page | — |
| Communication Interface | — | SPI (configuration/diagnostics), LIN 2.0/2.1 (physical layer) |
| Integrated LDO Output | — | 5.0 V / 50 mA |
| Current Consumption (typical) | — | 4.5 mA |
| Relay Drivers | — | 2 x low-side, 1.5 ohm typical RDSon |
| LIN Bus Compliance | — | LIN 2.0 / LIN 2.1 / ISO 9141 physical layer |
| ESD Performance (LIN pin) | — | IEC 61000-4-2, +/-6 kV min (gun test, 150 pF / 330 ohm) |
| ISO Pulse Immunity | — | ISO 7637 pulse 3b compliant |
| RoHS Status | — | Compliant |