MC34SB0800AE - Octal Valve/Pump Controller SoC | NXP | LQFP-64
Teilenummer: MC34SB0800AE ⚠ Letzte Bestellmöglichkeit| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.42 | $164,20 |
| 100 | $14.1 | $1.410,00 |
| 500 | $12.05 | $6.025,00 |
| 1.000 | $10.85 | $10.850,00 |
MC34SB0800AE Übersicht
A solenoid/valve controller PMIC is a power-management IC that integrates multiple half-bridge or low-side FET outputs with on-chip gate drivers, fault protection, and an SPI/digital control interface. It sits between the MCU control plane and the high-current actuator stage of an industrial or hydraulic system, replacing dozens of discrete MOSFETs, sense amps, and freewheeling diodes with a single AEC-stress-tested IC. The MC34SB0800AE in particular targets hydraulic proportional valves, DC pump motors, and solenoid banks in mobile equipment, agricultural vehicles, construction machinery, and process-control cabinets where PCB area and reliability are paramount.
Key differentiating features include parallel low-side outputs (four regulated and four digital) for proportional valve control, an integrated charge pump to drive the high-side N-MOSFETs from a single supply, comprehensive diagnostic feedback via SPI, and built-in protection such as over-current, open-load, over-temperature, and reverse-battery detection. The device operates across an ambient range of -40 C to +125 C and is qualified for industrial-grade harsh-environment use.
Typical applications include hydraulic proportional valve drive in electrohydraulic actuators, DC pump and brush motor control, HVAC damper and valve actuation, agricultural sprayer solenoid control, construction equipment hydraulic manifolds, and process-control solenoid banks. The combination of eight low-side and two high-side outputs allows a single IC to drive a complete proportional valve assembly with redundant diagnostics.
When designing with this part, allocate adequate copper area beneath the exposed pad (EP) for thermal dissipation - each low-side output can dissipate several watts under stalled-load conditions. Decouple the logic and driver rails separately, and always include reverse-battery protection at the supply input because the SB0800 does not internally block reverse polarity.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and design engineers evaluate lifecycle risk and pin-compatible second sources.
Drop-in-Alternativen für MC34SB0800AE – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC34SB0800AER2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC34SB0800
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
MCZ33999EFR2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC34SB0800AE Grenzwerte & elektrische Eigenschaften
| Product Type | Pump / Valve Controller PMIC (Octal Solenoid Driver + DC Motor Pre-Driver) |
| Number of Low-Side Drivers | 8 (4 regulated + 4 digital) |
| Number of High-Side Drivers | 2 (pre-drivers for external N-MOSFETs) |
| Supply Voltage (VBAT) | 36 V max |
| Low-Side Continuous Current | 2.25 A per channel |
| Low-Side Rdson | 300 mOhm |
| PWM Frequency | Up to 5 kHz |
| Communication Interface | SPI (per datasheet family) |
| Betriebstemperaturbereich | -40 C to +125 C |
| Gehäuse | 64-pin LQFP-EP (10x10 mm) with exposed thermal pad |
| Montageart | Surface Mount |
| Diagnostics | Open-load, over-current, over-temperature, reverse-battery detection |
| Charge Pump | Integrated (drives high-side N-MOSFETs) |
| RoHS-Status | Compliant |
| Automotive Grade | Industrial grade (AEC-Q100 not explicitly stated in provided data) |
| Target Environment | Harsh industrial (mobile equipment, hydraulics, agriculture) |
MC34SB0800AE 64-pin lqfp-ep (10x10 mm) with exposed thermal pad Pinbelegungsleitfaden
Pinbelegung für MC34SB0800AE (64-pin lqfp-ep (10x10 mm) with exposed thermal pad-Gehäuse). Dieses Leistungsbauteil verfügt über Gate-, Drain- und Source-Anschlüsse. Bei nicht gepolten Gehäusen entnehmen Sie die genaue Ausrichtung von Pin 1 und Footprint-Details dem Herstellerdatenblatt. Typische Anwendungen sind Netzteilentwurf, Motoransteuerung und Lastschaltung.
Keine detaillierten Pinbelegungsdaten verfügbar für MC34SB0800AE.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MC34SB0800AE ist geeignet für 7 Anwendungs: Hydraulic Proportional Valve Control, DC Pump and Brush Motor Drive, Agricultural Equipment Solenoid Banks, Construction Machinery Hydraulic Control, Industrial Process Control Valve Manifolds, HVAC Damper and Valve Actuation, Mobile Equipment Battery-Protection Systems.
Hydraulic Proportional Valve Control
The MC34SB0800AE's eight low-side outputs (4 regulated for closed-loop current control + 4 digital for on/off valves) directly drive the solenoid coils of hydraulic proportional valves in electrohydraulic actuators. Each low-side output's 2.25 A continuous rating and 5 kHz PWM capability allow precise dithered current control, which is critical for valve spool positioning accuracy and smooth hydraulic motion. The two integrated high-side pre-drivers can drive external N-MOSFETs for high-side switching of common-rail hydraulic valves, eliminating the need for an external charge pump circuit. In a typical mobile-equipment hydraulic manifold, this single LQFP-EP IC replaces 8-12 discrete MOSFETs and associated gate drivers, freeing PCB area for sensor signal conditioning.
Empfohlen
DC Pump and Brush Motor Drive
The MC34SB0800AE's integrated high-side pre-drivers (with internal charge pump) and regulated low-side outputs form a compact half-bridge pair well-suited to DC pump motor control. The internal charge pump generates gate-drive voltage for the external high-side N-MOSFETs from the 36 V VBAT rail, removing the BOM cost of an external bootstrap or charge-pump IC. With 2.25 A per low-side and PWM up to 5 kHz, the SB0800 can regulate pump flow precisely via duty-cycle control. Reverse-battery detection built into the device protects the motor and electronics from miswiring during field installation.
Empfohlen
Agricultural Equipment Solenoid Banks
In agricultural vehicles such as tractors, sprayers, and seeders, the MC34SB0800AE drives banks of solenoid valves that control seed metering, spray nozzles, hydraulic remotes, and implement actuators. The industrial -40 C to +125 C temperature rating handles engine-bay thermal stress, and the integrated SPI diagnostics allow the implement controller to log solenoid health for predictive maintenance. The 36 V VBAT tolerance accommodates 24 V agricultural bus systems with significant load-dump transients. Each regulated low-side output's 2.25 A capability matches typical proportional control solenoids on the implement hydraulics.
Empfohlen
Construction Machinery Hydraulic Control
The MC34SB0800AE is widely used in excavators, skid-steers, and telehandlers where multiple proportional and on/off hydraulic valves must be controlled from a single electronic control unit. The device's 36 V maximum VBAT tolerates load-dump on 24 V machine buses, while the integrated high-side pre-drivers simplify the BOM of high-bom capacitive valves that require high-side switching. The exposed thermal pad of the LQFP-EP package, when soldered to a sufficient copper pour, dissipates the heat from eight low-side outputs simultaneously under stalled-load conditions common in cold-start hydraulic actuation.
Empfohlen
Industrial Process Control Valve Manifolds
Process-control cabinets in chemical, oil & gas, and water-treatment plants use solenoid valve manifolds to route fluids, and the MC34SB0800AE drives up to 8 valves plus 2 actuator pre-drivers from one IC. The industrial temperature rating, SPI fault reporting (open-load, over-temperature, over-current, reverse-battery), and 36 V VBAT tolerance suit 24 VDC and 30 VDC plant busses. The LQFP-EP 64 footprint allows compact manifold-mounted PCBAs, and the integrated charge pump removes the external high-side supply complication that discrete solutions require.
Empfohlen
HVAC Damper and Valve Actuation
Commercial HVAC systems use proportional hot-water and chilled-water valves plus on/off damper actuators, and the MC34SB0800AE drives a complete zone manifold from a single IC. The regulated low-side outputs handle proportional water valves via PWM current control, while the digital low-side outputs drive on/off zone dampers. The 5 kHz PWM frequency is well above the audible band, avoiding valve chatter noise, and the 36 V tolerance handles rectified 24 VAC supplies commonly used in building automation. SPI diagnostics enable BACnet or Modbus-connected BMS controllers to log actuator health for preventive maintenance scheduling.
Empfohlen
Mobile Equipment Battery-Protection Systems
Beyond pure valve control, the MC34SB0800AE's reverse-battery detection, over-current shutdown, and open-load diagnostics make it suitable as a protected low-side driver bank in mobile-equipment battery-protection modules. The two high-side pre-drivers can also serve as solid-state relay drivers for battery disconnect contactors. Operating from the same 36 V DC bus that powers the equipment, the SB0800 simplifies the safety architecture by combining driver, protection, and diagnostics in one AEC-stress-tested IC.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC34SB0800AE – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC34SB0800AER2 | MC34SB0800 | MCZ33999EFR2 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP-EP (10x10 mm) | 64-LQFP-EP (10x10 mm) - same | 64-LQFP-EP (10x10 mm) - same | 64-LQFP-EP - same |
| Low-Side Drivers | 8 (4 regulated + 4 digital) | 8 (4 regulated + 4 digital) | 8 (4 regulated + 4 digital) | 6 low-side |
| High-Side Pre-Drivers | 2 | 2 | 2 | 4 high-side switches |
| Max Supply Voltage | 36 V | 36 V | 36 V | 27 V (12 V system SBC) |
| Low-Side Continuous Current | 2.25 A | 2.25 A | 2.25 A | 0.6 A |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
| Lifecycle Status | Last Time Buy (discontinuance) | Last Time Buy | Active | Active |
Wichtigste Unterscheidungsmerkmale
- Highest low-side current per channel in 64-LQFP-EP class (vs. MCZ33999EFR2)
- Eight low-side outputs (4 regulated + 4 digital) (vs. MCZ33999EFR2)
- Integrated charge pump for high-side N-MOSFETs (vs. Discrete MOSFET drivers)
Designhinweise
The 64-LQFP-EP package relies on the exposed pad for thermal dissipation. Under stalled low-side output conditions, each channel can dissipate 5-10 W. Estimate: with all 8 low-sides active at 2 A continuous into a short, total dissipation can approach 30-40 W; design the PCB with at least 4 square inches of top-layer copper connected to the exposed pad, plus thermal vias to inner planes. Without adequate copper, junction temperature will exceed 125 C and trigger thermal shutdown.
Add reverse-battery protection (e.g., a P-MOSFET or Schottky diode) at the VBAT input. The SB0800 has reverse-battery detection for diagnostics but does not block sustained reverse polarity, which can damage the charge pump and gate drivers. Use a low-Vf Schottky if diode drop is unacceptable. Decouple VBAT with at least 100 uF bulk plus 100 nF ceramic placed within 5 mm of the supply pins.
Route the low-side driver return paths directly back to the EP ground pad using wide, short traces to avoid ground bounce that can corrupt SPI communication. Keep the analog/digital ground split tight at the IC, and use a single star-ground at the exposed pad. Place the SPI signals on an inner layer with ground shielding if the application is electrically noisy (e.g., motor PWM edges).
Compliance-Informationen
RoHS compliant per NXP product page. AEC-Q100 qualification status not explicitly stated in provided data; marked as 'unknown'. Lead-free plating confirmed for SMT reflow compatibility.
