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BD41041FJ-CE2
Public Made by Adomby adom
ROHM Semicon CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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PCB Footprint
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Datasheet
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README
markdownBD41041FJ-CE2
ROHM Semicon · CAN Transceivers · SOIC-8
BD41041FJ-CE2 from ROHM Semicon, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | TXD | input | Transmission data input with internal pull-up resistance; LOW drives the CAN bus dominant in Normal mode, with input thresholds of 0.7 x VCC (HIGH) and 0.3 x VCC (LOW) and an absolute maximum of -0.3 V to +7.0 V. |
| 2 | GND | power_in | Ground reference pin; per the operational notes, no pin should be held at a voltage below this ground pin, even during transients. |
| 3 | VCC | power_in | Power supply pin with a recommended operating range of 4.75 V to 5.25 V (5.00 V typical) and an absolute maximum rating of -0.3 V to +7.0 V. |
| 4 | RXD | output | Receive data output that reports the CAN bus state (HIGH for recessive, LOW for dominant), with output current limits of -8 mA to -1 mA (HIGH) and 1 mA to 12 mA (LOW) and an absolute maximum of -0.3 V to +7.0 V. |
| 5 | SPLIT | output | Common-mode stabilization output that provides VCC/2 in Normal mode, with an absolute maximum range of -27 V to +40 V and a recommended external capacitance of 1.0 nF to 100 nF. |
| 6 | CANL | bidirectional | LOW-level CAN bus line with a common-mode voltage range of -12.0 V to +12.0 V and an absolute maximum input/output range of -27 V to +40 V. |
| 7 | CANH | bidirectional | HIGH-level CAN bus line with a common-mode voltage range of -12.0 V to +12.0 V and an absolute maximum input/output range of -27 V to +40 V. |
| 8 | STB | input | Mode control input with pull-up resistance; HIGH selects Standby mode and LOW selects Normal mode, with input thresholds of 0.7 x VCC (HIGH) and 0.3 x VCC (LOW) and an absolute maximum of -0.3 V to +7.0 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOIC-8 |
| Category | Interface |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VCC | -0.3 | 7 | V | 5 | ||
| Input Voltage | VSTB, VTXD | -0.3 | 7 | V | 5 | ||
| Output Voltage | VRXD | -0.3 | 7 | V | 5 | ||
| Input/Output Voltage | VCANH, VCANL, VSPLIT | -27 | 40 | V | 5 | ||
| Differential Voltage between CANH and CANL | VDIFF | -5 | 10 | V | 5 | ||
| Junction Max Temperature | Tjmax | 150 | °C | 5 | |||
| Storage Temperature | Tstg | -55 | 150 | °C | 5 | ||
| Supply Voltage Range | VCC | 4.75 | 5 | 5.25 | V | 6 | |
| Operating Temperature Range | Topr | -40 | 25 | 125 | °C | 6 | |
| Capacitance of Pin SPLIT (Note 7) | CSPLIT | 1 | 4.7 | 100 | nF | 6 | |
| Operating Current 1 | ICCSTB | 10 | 15 | µA | Standby mode; STB=HIGH | 7 | |
| Operating Current 2 | ICCREC | 5 | 7.5 | mA | Normal mode, Recessive; STB=LOW, TXD=HIGH, RLOAD=60Ω | 7 | |
| Operating Current 3 | ICCDOM | 45 | 65 | mA | Normal mode, Dominant; STB=LOW, TXD=LOW, RLOAD=60Ω | 7 | |
| Under Voltage Detection Voltage 1 | VUVSTB | 3.5 | 4.75 | V | 7 | ||
| Under Voltage Detection Voltage 2 | VUVOFF | 1.3 | 2.95 | V | 7 | ||
| LOW Level Input Voltage (min 0.0; max 0.3 x VCC) | VIL_STB | 0 | V | 7 | |||
| HIGH Level Input Current | IIH_STB | -1 | 1 | µA | VSTB=VCC | 7 | |
| LOW Level Input Current | IIL_STB | -15 | -1 | µA | VSTB=0V | 7 | |
| HIGH Level Input Current | IIH_TXD | -5 | 5 | µA | VTXD=VCC | 7 | |
| LOW Level Input Current | IIL_TXD | -260 | -150 | -30 | µA | VTXD=0V | 7 |
| Normal Mode Time Output HIGH Current | IOH_RXD | -8 | -1 | mA | VRXD=VCC-0.4V | 7 | |
| Normal Mode Time Output LOW Current | IOL_RXD | 1 | 12 | mA | VRXD=0.4V | 7 | |
| Leakage Current 1 | IIL_SPLIT | -5 | 5 | µA | VSPLIT=-27V | 8 | |
| Leakage Current 2 | IIH_SPLIT | -5 | 5 | µA | VSPLIT=40V | 8 | |
| Common Voltage Range | VCM_CAN | -12 | 2.5 | 12 | V | 9 | |
| CANH Dominant Output Voltage | VDOM_CANH | 2.75 | 3.5 | 4.5 | V | RLOAD = 50Ω to 65Ω | 9 |
| CANL Dominant Output Voltage | VDOM_CANL | 0.5 | 1.5 | 2.25 | V | RLOAD = 50Ω to 65Ω | 9 |
| CANH-CANL Dominant Output Voltage | VDOM_DIFF | 1.5 | 3 | V | RLOAD = 50Ω to 65Ω | 9 | |
| CANH-CANL Dominant Output Voltage2 | VDOM_DIFF2 | 1.5 | 5 | V | RLOAD = 2240Ω | 9 | |
| CANH+CANL-VCC Dominant Output Voltage | VDOM_SYM | -400 | 400 | mV | RLOAD=60Ω | 9 | |
| CANH Recessive Output Voltage | VREC_CANH | 2 | 3 | V | no Load | 9 | |
| CANL Recessive Output Voltage | VREC_CANL | 2 | 3 | V | no Load | 9 | |
| CANH-CANL Recessive Output Voltage 1 | VREC_DIFF1 | -50 | 50 | mV | no Load | 9 | |
| CANH-CANL Recessive Output Voltage 2 | VREC_DIFF2 | -120 | 12 | mV | RLOAD=60Ω | 9 | |
| CANH Dominant Output Current | IDOM_CANH | -100 | mA | VCANH=-3V | 9 | ||
| CANL Dominant Output Current | IDOM_CANL | 100 | mA | VCANL=18V | 9 | ||
| CANH Recessive Output Current | IREC_CANH | -5 | 5 | mA | VCANH=-27V to +40V | 9 | |
| CANL Recessive Output Current | IREC_CANL | -5 | 5 | mA | VCANL=-27V to +40V | 9 | |
| CANH Standby Output Voltage | VSTB_CANH | -0.1 | 0.1 | V | no Load | 9 | |
| CANL Standby Output Voltage | VSTB_CANL | -0.1 | 0.1 | V | no Load | 9 | |
| CANH-CANL Stanby Differential Output Voltage | VDIFF_STB | -0.2 | 0.2 | V | no load | 9 | |
| CANH Input Impedance | RI_CANH | 6 | 15 | 28 | kΩ | -2.0V≤VCANH≤+7.0V | 9 |
| CANL Input Impedance | RI_CANL | 6 | 15 | 28 | kΩ | -2.0V≤VCANL≤+7.0V | 9 |
| CANH, CANL Input Impedance Offset | RI_OFFSET | -3 | 3 | % | VCANH=+5.0V, VCANL=+5.0V | 9 | |
| CANH, CANL Differential Input Impedance | RI_DIFF | 12 | 30 | 52 | kΩ | -2.0V≤VCANH≤+7.0V; -2.0V≤VCANL≤+7.0V | 9 |
| Differential Input Voltage Range “Recessive” (Normal Mode) | VRX_NRM_R | -3 | 0.5 | V | -12.0V≤VCANH≤+12.0V; -12.0V≤VCANL≤+12.0V | 9 | |
| Differential Input Voltage Range “Dominant” (Normal Mode) | VRX_NRM_D | 0.9 | 8 | V | -12.0V≤VCANH≤+12.0V; -12.0V≤VCANL≤+12.0V | 9 | |
| Normal Mode Receiver Detection Voltage Hysteresis | VRX_NRM_HYS | 100 | 300 | mV | -12.0V≤VCANH≤+12.0V; -12.0V≤VCANL≤+12.0V | 9 | |
| Differential Input Voltage Range “Recessive” (Standby Mode) | VRX_STB_R | -3 | 0.4 | V | -12.0V≤VCANH≤+12.0V; -12.0V≤VCANL≤+12.0V | 9 | |
| Differential Input Voltage Range “Dominant” (Standby Mode) | VRX_STB_D | 1.15 | 8 | V | -12.0V≤VCANH≤+12.0V; -12.0V≤VCANL≤+12.0V | 9 | |
| Delay Time from TXD to Bus Dominant | tTXD_DOM | 140 | ns | RLOAD=60Ω, CLOAD=100pF | 10 | ||
| Delay Time from TXD to Bus Recessive | tTXD_REC | 140 | ns | RLOAD=60Ω, CLOAD=100pF | 10 | ||
| Delay Time from Bus Dominant to RXD | tDOM_RXD | 140 | ns | CRXD=15pF | 10 | ||
| Delay Time from Bus Recessive to RXD | tREC_RXD | 140 | ns | CRXD=15pF | 10 | ||
| Propagation Delay from TXD to RXD Fall | tTXD_RXD_F | 60 | 220 | ns | RLOAD=60Ω, CLOAD=100pF | 10 | |
| Propagation Delay from TXD to RXD Rise | tTXD_RXD_R | 60 | 220 | ns | RLOAD=60Ω, CLOAD=100pF | 10 | |
| Bus Wake-up Time | tBUS_WK | 0.5 | 5 | µs | VRX_STB_D=1.15V to 5.00V | 10 | |
| Standby to Normal Mode | tSTB_NRM | 7 | 47 | µs | 10 | ||
| TXD Dominant Time-out | tDOM_TON | 0.8 | 10 | ms | In Normal Mode | 10 | |
| Bus Dominant Time-out | tDOM_TOS | 0.8 | 10 | ms | In Standby Mode | 10 | |
| Junction to Ambient (1s board) | θJA | 149.3 | °C/W | 1s board (Note 5); JESD51-2A still air (Note 3) | 6 |
CAD (KiCad official)
- Symbol:
BD41041FJ-CE2 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
bd41041fj-ce2-etched.step/bd41041fj-ce2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bd41041fj-ce2.step/bd41041fj-ce2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (25 pp, sha256
1b3691904a112aee, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).