NCV97400: Automotive Multi-Output Power Management IC (PMIC) for Safety Applications

Datasheet: Automotive Multi-Output Power Management IC (PMIC) for Safety Applications
Rev. 0 (722kB)
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The NCV97400 is a 4−output monolithic regulator consisting of 3 buck regulators and 1 boost regulator with supervisory functions including window voltage monitoring on all outputs and a window watchdog timer. This product is ideal for ADAS (Advanced Driver Assistance Systems) applications and utilizes an independent voltage reference and an adjustable independent oscillator to realize the supervisory features. A 40 V non−synchronous buck regulator converts the battery supply voltage to a 3.3 V output, and delivers up to 3 A (peak). This output rail may be used as the input voltage for the 2 synchronous secondary buck converters and the non−synchronous secondary boost converter. Each secondary buck is adjustable and can be set from 2.5 V to 0.8 V with 2 A peak current limit and can be supplied by up to 3.6 V from a separate supply. The secondary boost output voltage is fixed and is intended to supply a low current 5.0 V rail for In−Vehicle Networking circuits (IVN). All internal MOSFETs are N−channel devices, and bootstrap circuits are used to drive high side MOSFETs. All 4 SMPS outputs use peak current mode control with internal slope compensation. The IC incorporates an internal regulator that supplies charge to the low−voltage gate drivers. The NCV97400 is a functional safety solution that reduces the time required to develop safety systems that comply with the International Standards Organization (ISO) 26262. The device includes a range of integrated safety features such as dedicated feedback references, output voltage monitoring, and window watchdog timer.
特性
 
  • 3 Enabled Buck Converters
  • 1 Boost Converter for IVN Supply
  • Wide Input of 4.1 to 40 V with Undervoltage Lockout (UVLO)
  • Fixed, 2 MHz Base Switching Frequency
  • Pseudo−random Spread Spectrum for Improved EMI
  • Window Watchdog with Independent References
  • Cycle−by−cycle Current Limit Protection
  • External Frequency Synchronization
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • QFN Package with Wettable Flanks (pin edge plating)
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
应用   终端产品
  • Safety Applications
  • ADAS (Advanced Driver Assistance Systems)
  • Body Electronics
  • Telematics
 
  • Automotive
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCV97400GEVB Active
Pb-free
NCV97400 Evaluation Board
Availability & Samples
Specifications
交互式框图
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
NCV97400MW00R2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV97400 QFNW-32 484AB 1 260 Tape and Reel 5000 $4.0404
市场订货至交货的时间(周) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
NCV97400MW00R2G  
 $4.0404 
Pb
A
H
P
 Active   
Step-Down
Current Mode
4.1
40
3.3
5
Adjustable
0.25
2
3
80-85
2000
QFNW-32
外形
484AB   
Application
Diagram - Block
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