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Q2
Manufacturer Part Number
BSS138DW-7-F
U1
Manufacturer Part Number
STN2120-I/ML
U5
Manufacturer Part Number
MCP2551T-I/SN
Q4
Q6
Manufacturer Part Number
BSS138DW-7-F
U6
Manufacturer Part Number
MCP2551T-I/SN
Q3
CAN_J1850_BUS_P_R1
PP5V0_SW_D
CAN_J1850_P_R
UART_TX
CAN_ISO_RX
CAN_PWM_RX
CAN_HS_RX
CAN_J1850_BUS_N
GPIO_RESET
UART_RX
PPDLC
CAN_J1850_BUS_N
CAN_SW_RX
CAN_HS_HI
CAN_MS_RX
UART_TX
CAN_J1850_BUS_N_R
PPJ1850_V_SELECT
OSC1
SW_CAN
CAN_HS_LO
GPIO_SLEEP
CAN_J1850_BUS_N_TX
ANALOG_SENSE_IN
CAN_K_LINE_R
PPDLC_SW
CAN_J1850_P_SW
PPJ1850_ADJ
CAN_HS_RX
GPIO_RESET
CAN_HS_TX
CAN_L_LINE
SW_CAN
GPIO_SLEEP
GPIO_CAN_MODE0
CAN_J1850_BUS_P
PPJ1850
GPIO_CAN_MODE1
CAN_J1850_BUS_N_R
CAN_J1850_BUS_P_R1
GPIO_LED_HOST_ACT
CAN_K_LINE
CAN_HS_LO
CAN_J1850_BUS_P_VH
CAN_J1850_BUS_P_TX
CAN_J1850_BUS_P
CAN_J1850_BUS_P_R2
CAN_J1850_P_SW
GPIO_STATUS_LED
GPIO_LED_OBD_ACT
PP5V0_SW_D
ANALOG_SENSE_IN
CAN_MS_RX
GPIO_STATUS_LED
CAN_HS_HI
CAN_HS_RX
CAN_SW_TX
CAN_J1850_BUS_N
CAN_SW_TX
CAN_K_LINE
GPIO_CAN_LOAD
CAN_K_LINE
CAN_J1850_BUS_P_VH
GPIO_LED_OBD_ACT
PWR_SAVE_CTRL
GPIO_LED_HOST_ACT
PPDLC
CAN_J1850_BUS_P
PP5V0
CAN_ISO_RX
CAN_MS_TX
PPDLC_RAW_BUF_IN
CAN_HS_TX
CAN_PWM_RX
CAN_L_LINE
CAN_MS_HI
CAN_MS_TX
CAN_VPW_RX
CAN_ISO_L_TX
CAN_J1850_BUS_P_TX
CAN_J1850_P_D
CAN_K_LINE_R
CAN_ISO_K_TX
GPIO_RESET
CAN_MS_LO
GPIO_CAN_MODE0
CAN_K_LINE
CAN_MS_TX
CAN_J1850_CAN_P
CAN_J1850_BUS_P_R2
CAN_ISO_K_TX
CAN_MS_HI
GPIO_SLEEP
PPJ1850_V_SELECT
CAN_J1850_BUS_N_TX
PP3V3_SW
CAN_VPW_RX
CAN_L_LINE
OSC2
PPDLC_SW
PP3V3_ADJ
PWR_SAVE_CTRL
CAN_MS_LO
PWR_SAVE_CTRL
CAN_J1850_BUS_N
PWR_SAVE_CTRL
OSC2
CAN_HS_HI
GPIO_CAN_MODE1
PPDLC_ISO
PP5V0_SW
CAN_HS_TX
CAN_J1850_BUS_P
UART_TX
CAN_J1850_P_D
CAN_ISO_L_TX
OSC1
CAN_SW_RX
UART_RX
CAN_MS_RX
PP3V3
CAN_HS_LO
C37
Capacitance
1uF
C36
Capacitance
1uF
C3
Capacitance
.1uF
C24
Capacitance
.1uF
C41
Capacitance
.1uF
C39
Capacitance
.1uF
C28
Capacitance
1uF
C20
Capacitance
.1uF
C21
Capacitance
.1uF
C31
Capacitance
1uF
C19
Capacitance
.1uF
C23
Capacitance
.1uF
C35
Capacitance
.1uF
C14
Capacitance
.1uF
C9
Capacitance
.01uF
C22
Capacitance
.1uF
C40
Capacitance
1uF
C6
Capacitance
1uF
C25
Capacitance
1uF
C38
Capacitance
4.7µF
PP5V0_SW
PPDLC_RAW
R36
Resistance
10kΩ
R13
Resistance
100kΩ
R12
Resistance
100kΩ
R8
Resistance
4.7kΩ
PP3V3
R59
Resistance
10kΩ
R24
Resistance
13.7kΩ
PPA3V3
R35
Resistance
10kΩ
PP5V0_SW
PP3V3
R11
R45
Resistance
374 Ω
R7
Resistance
100kΩ
R20
Resistance
330 Ω
R32
Resistance
10kΩ
R19
Resistance
330 Ω
R43
Resistance
100 Ω
R42
Resistance
100 Ω
R62
Resistance
100 Ω
PPDLC_RAW
R55
Resistance
10kΩ
R46
Resistance
100kΩ
PP5V0
R5
Resistance
1kΩ
R27
Resistance
10kΩ
R4
Resistance
30kΩ
R56
Resistance
1.5kΩ
PPDLC
R53
Resistance
820 Ω
PPDLC
R1
Resistance
100kΩ
PPDLC
R38
Resistance
4.7kΩ
R9
Resistance
100kΩ
R41
Resistance
510 Ω
PP3V3
R31
Resistance
10kΩ
PPDLC
R60
Resistance
1.5kΩ
R34
Resistance
2.7kΩ
PPDLC
R17
Resistance
100kΩ
R10
Resistance
10kΩ
R57
Resistance
10kΩ
R61
Resistance
10kΩ
PP5V0_SW
R51
Resistance
1kΩ
R26
Resistance
240 Ω
R28
Resistance
10kΩ
PP3V3
R3
Resistance
10 Ω
PPA3V3
PP5V0_SW
R30
Resistance
10kΩ
R23
Resistance
100kΩ
R39
Resistance
100 Ω
PP5V0
PPJ1850
PP5V0
PP5V0
R47
Resistance
100kΩ
R25
Resistance
1.3kΩ
PP5V0
PP3V3
PP3V3
R54
Resistance
1kΩ
R48
Resistance
10kΩ
PP3V3
PP3V3
R6
Resistance
620kΩ
R2
Resistance
100kΩ
R15
Resistance
1kΩ
PP3V3
PPDLC
PP3V3
PPJ1850
R58
Resistance
10kΩ
PPDLC_SW
PP5V0_SW
R52
Resistance
510 Ω
PP3V3
R49
Resistance
1kΩ
PPDLC_RAW
R44
Resistance
866 Ω
R18
Resistance
330 Ω
R33
Resistance
10kΩ
R22
Resistance
220kΩ
R37
Resistance
10kΩ
PP3V3
PPDLC_ISO
PPDLC_ISO
R16
Resistance
100kΩ
R21
Resistance
10kΩ
PP5V0_SW
R29
Resistance
10kΩ
R40
R14
Resistance
1.5kΩ
J1
C30
Capacitance
560pF
X2
R50
Resistance
6.49kΩ
Q1
Z1
Manufacturer Part Number
BZX384-C27,115
J2
Q7
LED3
C16
End of Life
Capacitance
22uF
C33
Capacitance
150pF
LED1
C27
Capacitance
560pF
C42
Capacitance
22uF
C18
End of Life
Capacitance
22uF
C26
Capacitance
560pF
J3
C11
Capacitance
22uF
C13
End of Life
Capacitance
22uF
C4
Capacitance
12pF
C5
Capacitance
12pF
C15
End of Life
Capacitance
22uF
C7
Capacitance
10uF
C12
End of Life
Capacitance
22uF
C10
Capacitance
0.01uF
C8
Capacitance
330pF
C17
End of Life
Capacitance
22uF
C29
Capacitance
560pF
LED2
C32
Capacitance
10uF
D3
Q5
Manufacturer Part Number
MBT2222ADW1T1G
U3
Manufacturer Part Number
LM317DCY
U8
Manufacturer Part Number
TH8056KDC-AAA-008-SP
J4
D8
Manufacturer Part Number
BAS16TW-7
L2
Inductance
Inductance
U4
Manufacturer Part Number
LM339LVRTER
U10
Not Recommended for New Designs
U7
Manufacturer Part Number
LM317DCY
Q8
U2
Manufacturer Part Number
TPS566242
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Reviews
Documents
Documents are markdown text files which describe project goals, capture details, or even simulation outputs.
Assets
OBDII_THUMB-removebg-preview.png
OBDII_THUMB-removebg-previewThumbnailSTN2120 OBDII to UART Dev Board 23c2
INTENT: medium complexity / high density
USECASE: potential torture test for trace suggestions while routing vs/ routing the entire board; can incremental trace suggestions still be useful (how much context do they need to consider to be good), or does this only make sense as a whole-board problem given the density challenges?
–––––––––––––––––––––––––
OBD2 to UART interface dev board. Alternative to deprecated ELM237 Chipset.
Documentation:
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $0.43–$0.46 |
Digi-Key | $0.17–$0.40 |
LCSC | $0.26 |
Mouser | $1.12 |
TME | $0.13 |
Verical | $0.12–$0.52 |
Controls
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