Overview
The NCV97200MW01R2G, produced by onsemi, is a 2-output monolithic regulator designed for automotive and safety-critical applications. This device integrates a buck regulator and a boost regulator, along with comprehensive supervisory functions. It is particularly suited for Advanced Driver Assistance Systems (ADAS), body electronics, and telematics. The NCV97200 complies with the International Standards Organization (ISO) 26262 and is ASIL B certified, ensuring a high level of functional safety.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Input Voltage | VBAT | 4.1 | 40 | V | ||
| Output Voltage 1 (Buck) | VOUT1 | 3.3 | V | |||
| Output Current 1 (Buck) | 3 | A | Peak | |||
| Output Voltage 2 (Boost) | VOUT2 | 5.0 | V | |||
| Switching Frequency | FSW | 2 | MHz | |||
| UnderVoltage Lockout (UVLO) Start Threshold | VUV1ST | 4.45 | 4.85 | V | VBAT rising | |
| Quiescent Current in Shutdown | IqSD | 3 | 10 | μA | VBAT = 13.2 V, VEN = 0 V |
Key Features
- 1 enabled buck converter and 1 boost converter for In-Vehicle Networking (IVN) supply
- Wide input voltage range of 4.1 to 40 V with undervoltage lockout (UVLO)
- Fixed frequency operation at 2 MHz
- Window watchdog with independent references
- Cycle-by-cycle current limit protection
- External frequency synchronization
- Pseudo-random spread spectrum for improved EMI
- Option for switcher shutdown upon watchdog fault
- AEC-Q100 qualified and PPAP capable
- Pb-free and halide-free packaging
Applications
- Safety applications
- Advanced Driver Assistance Systems (ADAS)
- Body electronics
- Telematics
Q & A
- What is the primary function of the NCV97200?
The NCV97200 is a 2-output monolithic regulator that includes a buck converter and a boost converter, designed for automotive and safety-critical applications.
- What is the input voltage range for the NCV97200?
The input voltage range is from 4.1 V to 40 V.
- What are the output voltages of the NCV97200?
The buck converter outputs 3.3 V, and the boost converter outputs 5.0 V.
- What is the switching frequency of the NCV97200?
The switching frequency is fixed at 2 MHz.
- Does the NCV97200 have built-in safety features?
Yes, it includes window voltage monitoring, a window watchdog, and cycle-by-cycle current limit protection.
- How does the NCV97200 handle overcurrent conditions?
The device enters an auto-recovery burst mode (hiccup mode) to self-protect and reduce dissipated power in the output components during overcurrent conditions.
- Is the NCV97200 compliant with any automotive safety standards?
Yes, it is ASIL B certified and complies with ISO 26262 for functional safety.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is typically 3 μA.
- Can the NCV97200 be synchronized with an external clock?
Yes, the switching can be synchronized to an external clock using the SYNCI pin.
- Is the NCV97200 environmentally friendly?
Yes, it is Pb-free and halide-free.
