DC-DC LED Drivers | NCV78702

多相升压器LED驱动器，用于汽车前照明

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概览

NCV78702是一款单芯片、高能效升压器，用于汽车前照明应用的智能电力镇流器和LED驱动器，应用包括远光灯、近光灯、日间行车灯（DRL）、转向指示灯、雾灯、静态转弯灯等。NCV78702特别针对高电流LED设计，与 NCV78723（双通道降压）/713（单通道）结合可提供驱动高达60 V的多个LED 串的完整方案。它包括一个电流模式升压控制器，也可用作输入滤波器，且所需外部组件数量极少。支持可用输出电压定制。可以将两个NCV78702器件组合在一起，与升压电路一起运行，功能相当于多相升压器（2 相、3 相、4 相），从而进一步优化升压电路的滤波效应，并降低应用的BOM总成本，提高功率水平。具备SPI可编程能力，一套硬件配置即可支持多个应用平台。

使用 NCV78703 升压应用 SystemVision 设计和仿真环境来验证参数和功能性能，并通过实时虚拟测试更好地了解其特性和行为。

  • 远光灯
  • 近光灯
  • 日间行车灯
  • 位置灯或停车灯
  • 转向指示灯
  • 雾灯
  • 静态转弯灯

  • 汽车

  • 单芯片
  • 多相升压器
  • 高能效
  • 所需外部器件少
  • 具有低电池电流纹波的有源输入滤波器
  • 集成升压控制器
  • 可编程输入电流限制
  • 高工作频率减少电感器尺寸
  • 可为电流检测分流电阻提供 PCB 走线
  • 低 EMC 辐射
  • 用于动态控制系统参数的 SPI 接口
  • 故障保存操作（FSO） 模式、独立模式
  • 集成故障诊断

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Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

VIN Min (V)

VIN Max (V)

VO Max (V)

IO Max (mA)

fSW Typ (kHz)

Reference Price

NCV78702DE0R2G

Contact Sales

Active

CAD Model

Pb

A

H

P

TSSOP-20

948AB

2

260

REEL

2500

N

Step-Up

5

30

64.8

-

350

$1.2964

More Details

NCV78702MW0AR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

QFNW-24

484AA

1

260

REEL

2500

Y

Step-Up

5

30

64.8

-

350

$1.1005

More Details

NCV78702MW0BR2G

Contact Sales

Lifetime

CAD Model

Pb

A

H

P

QFNW24 4x4, 0.5P

484AU

1

260

REEL

2500

F

Step-Up

5

30

64.8

-

350

$1.6508

More Details

NCV78702MW0R2G

Contact Sales

Lifetime

CAD Model

Pb

A

H

P

QFN-24

485L

1

260

REEL

2500

N

Step-Up

5

30

64.8

-

350

$1.6149

More Details

NCV78702MW1AR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

QFNW-24

484AA

1

260

REEL

2500

N

Step-Up

5

30

64.8

-

350

$1.2102

More Details

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可靠性数据

Die Related Summary Data

Device: NCV78702MW0R2G

Equivalent to wafer fab process: I3T

产品技术

产品技术

等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

I3T

4

4350769675

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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