zhiguo / IMU-Bridge-2026-V2

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IMU-Bridge-2026-KB encountered an error.

get_component_notes("icm20689") 已成功返回。

ICM-20689 关键参数

项目返回内容
重要警告没有 CPOUT 引脚，任何 “CPOUT 电容” 描述都应忽略
REGOUTPin 10 -> 0.47 µF X7R ±10%
VDDPin 9 -> 2.2 µF + 100 nF
VDDIOPin 8 -> 10 nF
nCSPin 22 -> 直接接 VDD，进入 I2C 模式，不加电容
FSYNCPin 7 -> 接 GND，不可悬空
I2C 地址AD0=GND -> 0x68；AD0=VDD -> 0x69
WHO_AM_I0x98
NC 引脚INT / CLKIN / AUX_DA / AUX_CL 悬空，严禁接 GND
热焊盘中央 EP 焊盘必须接 GND
这条结果里最关键的两点
  • FSYNC 不是 NC，必须接地
  • nCS 是 Pin 22，不是 Pin 20，并且应直接接 VDD
如果你要，我可以继续把这条器件规则和当前项目里的 U2 / U3 再逐项核对一遍。
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U4
U3 REGOUT - C10 P1
R7 P2 - U1 NRST
C13 P2 - C14 P2
U1 PB7/PB8 - R4 P2
GND
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
U3 AD0/SDO - R6 P2
U4 TAB(VOUT) - C3 P1
U1 PA15/PA14-BOOT0 - R5 P1
U1 PA13 - TP4 P1
J1 1 - U4 VIN
J1 1 - U4 VIN
C13 P2 - C14 P2
C13 P2 - C14 P2
GND
J1 3 - R1 P2
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
GND
U4 TAB(VOUT) - C3 P1
U1 PB3/PB4/PB5/PB6 - R3 P2
J1 4 - R2 P2
U4 TAB(VOUT) - C3 P1
U2 REGOUT - C9 P1
J1 1 - U4 VIN
U2 FSYNC - U2 GND
C13 P2 - C14 P2
GND
U2 FSYNC - U2 GND
J1 4 - R2 P2
J1 1 - U4 VIN
GND
U1 PB3/PB4/PB5/PB6 - R3 P2
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
U4 TAB(VOUT) - C3 P1
J1 3 - R1 P2
U4 TAB(VOUT) - C3 P1
U3 REGOUT - C10 P1
U2 REGOUT - C9 P1
U1 PB3/PB4/PB5/PB6 - R3 P2
GND
GND
R7 P2 - U1 NRST
U4 TAB(VOUT) - C3 P1
U1 PB7/PB8 - R4 P2
GND
U4 TAB(VOUT) - C3 P1
GND
U2 FSYNC - U2 GND
U2 FSYNC - U2 GND
GND
U1 PB7/PB8 - R4 P2
U2 FSYNC - U2 GND
GND
U1
U3
C6
Capacitance
100nF
C14
Capacitance
2.2uF
C16
Capacitance
10nF
C8
Capacitance
100nF
C9
Capacitance
0.47uF
C7
Capacitance
100nF
C15
Capacitance
10nF
C5
Capacitance
100nF
C13
Capacitance
2.2uF
U2
C10
Capacitance
0.47uF
J1

Reviews

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    jharwinbarrozo
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  • Generic Capacitor
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IMU-Bridge-2026-V2

IMU-Bridge-2026-V2 thumbnail
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Properties

Properties describe core aspects of the project.

Pricing & Availability

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$6.48

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$6.55–$7.46

LCSC

$13.68–$13.88

Mouser

$3.04

TME

$1.03

Verical

$1.82–$4.42

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