ZHCUD71 July   2025 LM51770

 

  1.   1
  2.   说明
  3.   开始使用
  4.   特性
  5.   应用
  6.   6
  7. 1评估模块概述
    1. 1.1 简介
    2. 1.2 套件内容
    3. 1.3 规格
    4. 1.4 器件信息
  8. 2硬件
    1. 2.1 连接器、测试点和选择开关说明
      1. 2.1.1 连接器说明
      2. 2.1.2 跳线说明
      3. 2.1.3 测试点说明
      4. 2.1.4 选择开关说明
        1. 2.1.4.1 S1 和 S2 CFG 设置
      5. 2.1.5 电流监测器和电流限制器配置
        1. 2.1.5.1 电流监测器配置
        2. 2.1.5.2 电流限制器配置
  9. 3实现结果
    1. 3.1 测试装置和过程
      1. 3.1.1 测试设置
      2. 3.1.2 测试程序
      3. 3.1.3 注意事项
    2. 3.2 测试数据和性能曲线
      1. 3.2.1 热性能
      2. 3.2.2 效率
      3. 3.2.3 稳态波形
      4. 3.2.4 阶跃负载响应
      5. 3.2.5 交流环路响应曲线
  10. 4硬件设计文件
    1. 4.1 原理图
    2. 4.2 PCB 布局
    3. 4.3 物料清单
  11. 5其他信息
    1. 5.1 商标

物料清单

表 4-1 物料清单

位号

数量

说明

器件型号

制造商

C1、C7、C26、C27、C28、C29、C31、C32

8

0.1uF

电容,陶瓷,0.1µF,100V,+/-10%,X7R,AEC-Q200 1 级,0603

GCJ188R72A104KA01D

MuRata

C2、C3、C10、C11、C12、C14

6

10µF

10µF ±10% 100V 陶瓷电容器 X7R 1210(公制 3225)

C3225X7R2A106K250AC

TDK

C5、C13

2

100µF

100uF 100V 20% 铝制电解电容器,径向,Can - SMD - 5000 小时,105°C

EMVY101ARA101MKE0S

United Chemi-Con

C17

1

47uF

电容器,陶瓷,47µF,6.3V,+/-20%,X5R,0603

GRM188R60J476ME15D

MuRata

C18

1

0.082uF

电容,陶瓷,0.082uF,16V,+/-10%,X7R,0603

0603YC823KAT2A

AVX

C19

1

68pF

电容,陶瓷,68pF,50V,+/-5%,C0G/NP0,0603

C0603C680J5GACTU

Kemet

C20

1

0.18uF

电容,陶瓷,0.18uF,25V,+/-10%,X7R,0603

GRM188R71E184KA88D

MuRata

C21

1

180pF

电容,陶瓷,180pF,50V,+/-5%,C0G/NP0,0603

C0603C181J5GACTU

Kemet

C22、C23

2

680pF

电容,陶瓷,680pF,50V,+/-1%,C0G/NP0,0805

C0805C681F5GACTU

Kemet

C24、C25

2

0.1uF

电容,陶瓷,0.1µF,50V,+/-10%,X7R,0402

0402BB104KW500

Passive Plus

C39

1

1500pF

电容,陶瓷,1500pF,100V,+/-10%,X7R,0603

06031C152KAT2A

AVX

J1、J2、J3、J4

4

标准香蕉插孔,非绝缘,15A

108-0740-001

Cinch Connectivity

J5、J6

2

接头,2.54mm,6x1,金,TH

61300611121

Wurth Elektronik

J7、J8、J9、J10

4

接头,2.54mm,2x1,金,TH

61300211121

Wurth Elektronik

J11、JP1、JP2、JP3、JP5

5

接头,2.54mm,3x1,金,TH

61300311121

Wurth Elektronik

JP4

1

接头,2.54mm,3x2,金,TH

HTSW-103-07-G-D

Samtec

JP6

1

接头,2.54mm,5x1,金,TH

61300511121

Wurth Elektronik

L1

1

22uH

电感,屏蔽,铁氧体,22uH,18A,0.00264ohm,SMD

7443642200

Wurth Elektronik

Q1、Q2、Q3、Q4

4

N 通道 100V 44A (Tc) 2.5W (Ta)、52W (Tc) 表面贴装 PG-TDSON-8-6

BSC146N10LS5ATMA1

Infineon

R1、R14

2

100k

电阻,100k,1%,0.1W,0603

RC0603FR-07100KL

Yageo

R2

1

2.15k

电阻,2.15k,1%,0.1W,0603

RC0603FR-072K15L

Yageo

R3、R4

2

12m

12mΩ,±1%,1.5W,片上电阻,宽,1206(公制 3216),0612,汽车类 AEC-Q200,电流检测,金属箔

KRL3216E-C-R012-F-T5

Susumu

R6

1

9m

9mΩ,±1%,1W,片上电阻,宽,0805(公制 2012),0508,汽车类 AEC-Q200,电流检测,金属箔

KRL2012E-M-R009-F-T5

Susumu

R7、R8、R9、R10

4

3

电阻,3.0,5%,0.1W,AEC-Q200 0 级,0603

CRCW06033R00JNEA

Vishay-Dale

R11、R12

2

10

电阻,10.0,1%,0.25W,AEC-Q200 0 级,0603

CRCW060310R0FKEAHP

Vishay-Dale

R13、R39

2

3

电阻,3.0,5%,0.125W,AEC-Q200 0 级,0805

CRCW08053R00JNEA

Vishay-Dale

R15

1

3.74k

电阻,3.74k,1%,0.1W,0603

RC0603FR-073K74L

Yageo

R16

1

10.0k

电阻,10.0k,0.1%,0.1W,0603

RT0603BRD0710KL

Yageo America

R17

1

30.0k

电阻,30.0k,1%,0.1W,0603

RC0603FR-0730KL

Yageo

R18、R40、R41、R42、R43、R44、R46、R47、R48、R49、R50

11

0

电阻,0,1%,0.1W,AEC-Q200 0 级,0603

RMCF0603ZT0R00

Stackpole Electronics Inc

R19

1

34.0k

电阻,34.0k,1%,0.1W,AEC-Q200 0 级,0603

ERJ-3EKF3402V

Panasonic

R20

1

180k

电阻,180k,5%,0.1W,AEC-Q200 0 级,0603

CRCW0603180KJNEA

Vishay-Dale

R21

1

78.7k

电阻,78.7k,1%,0.1W,0603

RC0603FR-0778K7L

Yageo

R24

1

511

电阻,511,1%,0.1W,AEC-Q200 0 级,0603

CRCW0603511RFKEA

Vishay-Dale

R25

1

1.15k

电阻,1.15k,1%,0.1W,AEC-Q200 0 级,0603

CRCW06031K15FKEA

Vishay-Dale

R26

1

1.87k

电阻,1.87k,1%,0.1W,0603

RC0603FR-071K87L

Yageo

R27

1

2.70k

电阻,2.70k,1%,0.1W,0603

RC0603FR-072K7L

Yageo

R28

1

3.83k

电阻,3.83k,1%,0.1W,AEC-Q200 0 级,0603

CRCW06033K83FKEA

Vishay-Dale

R29

1

5.10k

电阻,5.10k,1%,0.1W,0603

RC0603FR-075K1L

Yageo

R30

1

6.49k

电阻,6.49k,1%,0.1W,0603

RC0603FR-076K49L

Yageo

R31

1

8.25k

电阻,8.25k,1%,0.1W,0603

RC0603FR-078K25L

Yageo

R32

1

10.5k

电阻,10.5k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060310K5FKEA

Vishay-Dale

R33

1

13.3k

电阻,13.3k,1%,0.1W,0603

RC0603FR-0713K3L

Yageo

R34

1

16.2k

电阻,16.2k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060316K2FKEA

Vishay-Dale

R35

1

20.5k

电阻,20.5k,1%,0.1W,0603

RC0603FR-0720K5L

Yageo

R36

1

24.9k

电阻,24.9k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060324K9FKEA

Vishay-Dale

R37

1

30.1k

电阻,30.1k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060330K1FKEA

Vishay-Dale

R38

1

35.7k

电阻,35.7k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060335K7FKEA

Vishay-Dale

R45

1

10

电阻,10.0,1%,0.1W,0603

RC0603FR-0710RL

Yageo

S1、S2

2

SPST 开关,8 芯,25mA,24VDC,SMD

218-8LPST

CTS Electrocomponents

TP1

1

测试点,通用,红色,TH

5010

Keystone Electronics

TP2、TP8

2

测试点,通用,橙色,TH

5013

Keystone Electronics

TP3、TP4

2

测试点,通用,黑色,TH

5011

Keystone Electronics

TP5、TP6

2

测试点,通用,白色,TH

5012

Keystone Electronics

TP7

1

测试点,通用,灰色,TH

5128

Keystone Electronics

TP9、TP10、TP11

3

测试点,微型,黄色,TH

5004

Keystone Electronics

U1

1

78V 宽 VIN 双向 4 开关降压/升压控制器

LM51770DCPR

德州仪器 (TI)

C4、C8、C9

0

10µF

10µF ±10% 100V 陶瓷电容器 X7R 1210(公制 3225)

C3225X7R2A106K250AC

TDK

C6、C15

0

100µF

100uF 100V 20% 铝制电解电容器,径向,Can - SMD - 5000 小时,105°C

EMVY101ARA101MKE0S

United Chemi-Con

C16、C40

0

1500pF

电容,陶瓷,1500pF,100V,+/-10%,X7R,0603

06031C152KAT2A

AVX

C30

0

0.1uF

电容,陶瓷,0.1µF,50V,+/-10%,X7R,0402

0402BB104KW500

Passive Plus

C33

0

2200pF

电容,陶瓷,2200pF,100V,+/-5%,X7R,0603

06031C222JAT2A

AVX

C34、C35、C36

0

1000pF

电容,陶瓷,1000pF,100V,+/-5%,X7R,0603

06031C102JAT2A

AVX

C37、C44、C45

0

0.018uF

电容,陶瓷,0.018uF,100V,+/-10%,X7R,0603

C0603C183K1RACTU

Kemet

C38

0

1500pF

电容,陶瓷,1500pF,100V,± 10%,X7R,AEC-Q200 1 级,0603

CGA3E2X7R2A152K080AA

TDK

C41、C42、C46

0

0.1uF

电容,陶瓷,0.1uF,25V,+/-10%,X7R,0603

C0603X104K3RACTU

Kemet

C43

0

10uF

电容,陶瓷,10µF,10V,+/-10%,X5R,0603

GRM188R61A106KE69D

MuRata

D1、D2

0

60V

二极管,肖特基,60V,5A,SMC

B560C-13-F

Diodes Inc.

D3、D4

0

60V

二极管,肖特基,60V,1A,SOD-323F

PMEG6010CEJ,115

Nexperia

D5

0

30V

二极管,肖特基,30V,0.2A,SOD-123

BAT54T1G

ON Semiconductor

J12、J13

0

接头,2.54mm,2x1,金,TH

61300211121

Wurth Elektronik

Q5

0

45V

晶体管,PNP,45V,0.5A,AEC-Q101,SOT-23

BC807-40LT1G

ON Semiconductor

Q6

0

60V

MOSFET,N 沟道,60V,0.115A,SOT-323

2N7002W-7-F

Diodes Inc.

R5

0

6m

6mΩ,±1%,1W,片上电阻,宽,0805(公制 2012),0508,汽车类 AEC-Q200,电流检测,金属箔

KRL2012E-M-R006-F-T5

Susumu

R22、R66

0

2.15k

电阻,2.15k,1%,0.1W,0603

RC0603FR-072K15L

Yageo

R23、R64、R80、R81

0

1.0k

电阻,1.0k,5%,0.1W,0603

RC0603JR-071KL

Yageo

R51、R52、R63、R68、R79、R82

0

0

电阻,0,1%,0.1W,AEC-Q200 0 级,0603

RMCF0603ZT0R00

Stackpole Electronics Inc

R53

0

100k

电阻,100k,1%,0.1W,0603

RC0603FR-07100KL

Yageo

R54

0

4.70k

电阻,4.70k,1%,0.1W,0603

RC0603FR-074K7L

Yageo

R55、R57、R71、R73、R74

0

10.0k

电阻,10.0k,1%,0.1W,AEC-Q200 0 级,0603

CRCW060310K0FKEA

Vishay-Dale

R56、R58

0

10

电阻,10.0,1%,0.1W,0603

RC0603FR-0710RL

Yageo

R59、R75

0

150k

电阻,150k,1%,0.1W,0603

RC0603FR-07150KL

Yageo

R60、R65、R69、R70

0

10.0k

电阻,10.0k,0.1%,0.1W,0603

RT0603BRD0710KL

Yageo America

R61、R62、R72、R76、R77、R78

0

47.5k

电阻,47.5k,1%,0.1W,0603

RC0603FR-0747K5L

Yageo

R67

0

3.32k

电阻,3.32k,1%,0.1W,0603

RC0603FR-073K32L

Yageo

R83

0

10kΩ

10kΩ 0.25W,1/4W 鸥翼表面贴装微调电位器金属陶瓷 14.0 转顶部调节

ST-5ETW103

Nidec Copal Electronics(日产科宝电子有限公司)

TP12、TP13、TP14、TP15

0

测试点,微型,黄色,TH

5004

Keystone Electronics

TP16、TP17

0

测试点,微型,黑色,TH

5001

Keystone Electronics

U2、U4

0

低压可调精度并联稳压器,39ppm/°C,15mA,-40°C 到 85°C,3 引脚 SOT-23 (DBZ),绿色环保(RoHS,无锑/溴)

TLV431IDBZR

德州仪器 (TI)

U3

0

具有推挽输出 5-SC70 和 -40 至 125°C 的汽单路低电压比较器

TLV9030DCKR

德州仪器 (TI)

U5

0

单通道、5.5V、3MHz 高输出电流 (150mA) 快速关断 (1μs) 运算放大器 5-SC70 -40℃ 至 125℃

OPA310IDCKR

德州仪器 (TI)