component
CA-IF1051HS
Public Made by Adomby adom
Chipanalog CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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CA-IF1051HS
Chipanalog · CAN Transceivers · SOIC-8
CA-IF1051HS from Chipanalog, 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 | Transmit data input: driving TXD high puts the bus driver in recessive state and driving it low puts it in dominant state, with an internal pull-up to VIO (floating TXD is pulled to the recessive state). |
| 2 | GND | power_in | Ground pin for the device; the datasheet's pin table text reads 'data input', which appears to be a translation error for ground. |
| 3 | VCC | power_in | 5 V supply input, recommended operating range 4.5 V to 5.5 V, with a 0.1 uF capacitor placed as close to the device as possible between VCC and GND. |
| 4 | RXD | output | Receive data output referenced to VIO: it is high when CANH and CANL are recessive (or open/shorted) and low when the bus is dominant, with output current limited to ±2 mA recommended and ±8 mA absolute maximum. |
| 5 | NC | unconnected | No connection. |
| 6 | CANL | bidirectional | Low-level CAN bus line, the low side of the transceiver bus I/O, rated for bus voltage of -70 V to +70 V on H-suffix devices. |
| 7 | CANH | bidirectional | High-level CAN bus line, the high side of the transceiver bus I/O, rated for bus voltage of -70 V to +70 V on H-suffix devices. |
| 8 | S | input | Mode select input: high selects silent mode (driver off, receiver on) and low or open selects normal mode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Chipanalog |
| 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 |
|---|---|---|---|---|---|---|---|
| VCC 5-V bus supply voltage (absolute maximum) | VCC | -0.3 | 7 | V | 5 | ||
| CAN bus IO voltage (CANH, CANL), H-suffix device | VBUS | -70 | 70 | V | H-suffix device | 5 | |
| Maximum differential voltage CANH to CANL, H-suffix device | V(DIFF) | -70 | 70 | V | H-suffix device | 5 | |
| Logic-side input voltage (TXD, S) | V(Logic_Input) | -0.3 | 7 | V | 5 | ||
| Logic-side output voltage (RXD) | V(Logic_Output) | -0.3 | 7 | V | 5 | ||
| RXD receiver output current | IO(RXD) | -8 | 8 | mA | 5 | ||
| Junction temperature | TJ | -55 | 150 | °C | 5 | ||
| Storage temperature | TSTG | -65 | 150 | °C | 5 | ||
| 5-V bus supply voltage (recommended operating) | VCC | 4.5 | 5.5 | V | 6 | ||
| RXD port high-level output current (recommended) | IOH(RXD) | -2 | mA | 6 | |||
| RXD port low-level output current (recommended) | IOL(RXD) | 2 | mA | 6 | |||
| 5 V supply current, dominant | Icc | 40 | 60 | mA | TXD=0V, RL=60 Ohm（显性） | 7 | |
| 5 V supply current, dominant | Icc | 45 | 80 | mA | TXD=0V, RL=50 Ohm（显性） | 7 | |
| 5 V supply current, recessive | Icc | 1.5 | 2.5 | mA | TXD=Vcc, RL=50 Ohm（隐性） | 7 | |
| 5 V supply current, silent mode | Icc | 1.5 | 2.5 | mA | S=Vcc（静默模式） | 7 | |
| Vcc UVLO voltage, rising | Vuv_vcc | 4.2 | 4.4 | V | 7 | ||
| Vcc UVLO voltage, falling | Vuv_vcc | 3.8 | 4 | 4.25 | V | 7 | |
| Mode select S input low-level leakage current | IIL | -2 | 2 | uA | S=0V，Vcc=Vio=5.5V | 7 | |
| Mode select S input leakage when unpowered | Ilek(off) | -1 | 1 | uA | S=5.5V, Vcc=Vio=0V | 7 | |
| TXD input high-level leakage current | IIH | -2.5 | 0 | 1 | uA | S=Vcc 或者 Vio=5.5V | 7 |
| TXD input low-level leakage current | IIL | -100 | -25 | -7 | uA | S=0V，Vcc=Vio=5.5V | 7 |
| TXD input leakage when unpowered | Ilek(off) | -1 | 0 | 1 | uA | S=5.5V, Vcc=Vio=0V | 7 |
| RXD output high-level voltage (non-V suffix) | VOH | 4 | 4.6 | V | 不带有”V”后缀(只有 5V), Io=-2mA | 7 | |
| RXD output low-level voltage (non-V suffix) | VOL | 0.2 | 0.4 | V | 不带有”V”后缀(只有 5V), Io=+2mA | 7 | |
| RXD output leakage when unpowered | Ilek(off) | -1 | 0 | 1 | uA | S=5.5V, Vcc=Vio=0V | 7 |
| Single-ended dominant output voltage, CANH | VO(DOM) | 2.75 | 4.5 | V | TXD=低，S=0V, RL=50-65Ohm, CANH 端口 | 7 | |
| Single-ended dominant output voltage, CANL | VO(DOM) | 0.5 | 2.25 | V | TXD=低，S=0V, RL=50-65Ohm, CANL 端口 | 7 | |
| Differential dominant output voltage | V O(DOM) | 1.5 | 3 | V | TXD=低，RL=60 Ohm , RCM =165 Ohm, -5V=<VCM <=+10V | 7 | |
| Differential dominant output voltage | V O(DOM) | 1.4 | 3 | V | TXD=低，RL=45-50 Ohm , RCM open | 7 | |
| Differential dominant output voltage | V O(DOM) | 1.5 | 5 | V | TXD=低，RL=2240 Ohm , RCM open | 7 | |
| Single-ended recessive output voltage, CANH | VO(REC) | 2 | 3 | V | TXD=高，无负载, CANH 端口 | 7 | |
| Single-ended recessive output voltage, CANL | VO(REC) | 2 | 3 | V | TXD=高，无负载, CANL 端口 | 7 | |
| Differential recessive output voltage | VOD(REC) | -120 | 12 | mV | TXD=高，S=0V, RL=60 Ohm | 8 | |
| Differential recessive output voltage | VOD(REC) | -50 | 50 | mV | TXD=高，S=0V, 无负载 | 8 | |
| Short-circuit current, recessive | IOS(SS_rec) | -5 | 5 | mA | TXD=高，VBUS 从-27V 到 32V | 8 | |
| Transient symmetry (dominant and recessive) | Vsys | 0.9 | 1.1 | V/V | RL=60 Ohm, RCM open,Txd=250k Hz,1M Hz | 8 | |
| DC symmetry (dominant and recessive) | Vsys_dc | -0.4 | 0.4 | V | RL=60 Ohm, RCM open | 8 | |
| Common-mode input voltage range | VCM | -30 | 30 | V | CANH 或者 CANL 到地，RXD 输出有效 | 8 | |
| CANH/CANL input resistance | RIN | 15 | 40 | K OHm | TXD=高，Vcm 从 -30V 到 30V | 8 | |
| Differential input resistance | RDIFF | 30 | 80 | K OHm | TXD=高，Vcm 从 -30V 到 30V | 8 | |
| Input resistance matching | RDIFF(M) | -2 | 2 | % | CANH=CANL=5V | 8 | |
| Input capacitance, CANH or CANL to ground | CIN | 24 | 30 | pF | CANH 或者 CANL 到地 | 8 | |
| Differential input capacitance, CANH to CANL | CIN_DIFF | 12 | 15 | pF | CANH 到 CANL | 8 | |
| Fault protection range, CANH or CANL to ground | VFAULT | -70 | 70 | V | CANH 或者 CANL 到地 | 9 | |
| TXD dominant timeout | tDOM | 1.2 | 3.8 | ms | RL=60 Ohm,CL open | 8 | |
| Loop delay, recessive to dominant | Tloop1 | 100 | 160 | ns | 隐性到显性, RL=60 Ohm,CL=100pF | 8 | |
| Loop delay, dominant to recessive | Tloop2 | 110 | 175 | ns | 显性到隐性, RL=60 Ohm,CL=100pF | 8 | |
| Mode switching time (silent to normal or normal to silent) | tONTXD | 1 | 10 | us | 从静默态到常态或者从常态到静默态 | 8 | |
| Bit time, bus side | Tbit（bus） | 435 | 530 | ns | 总线侧 RL=60 Ohm,CL=100pF, CLrx=15pF | 8 | |
| Bit time, receive side | Tbit（rxd） | 400 | 550 | ns | 接受侧 RL=60 Ohm,CL=100pF, CLrx=15pF | 8 | |
| Receiver pulse deviation | Trec | -65 | 40 | ns | 接受侧 RL=60 Ohm,CL=100pF, CLrx=15pF | 8 | |
| Common-mode input range, recessive threshold (TXD=high, Vcm -30 V to 30 V) | VDIFF_R | 0.4 | V | TXD=高, Vcm 从 -30V 到 30V | 8 | ||
| Differential input threshold, dominant (TXD=high, Vcm -30 V to 30 V) | VDIFF_D | 1 | V | TXD=高，Vcm 从 -30V 到 30V | 8 | ||
| Differential input hysteresis | VDIFF_(HYST) | 120 | mV | 8 | |||
| TXD input high-level voltage (non-V suffix, 5 V only) | VIH | 2 | V | 不带有”V”后缀(只有 5V) | 7 | ||
| TXD input low-level voltage (non-V suffix, 5 V only) | VIL | 0.8 | V | 不带有”V”后缀(只有 5V) | 7 | ||
| Dominant-state current, CANH=-12V | Icc | 180 | mA | TXD=0V, CANH=-12V（显性） | 7 | ||
| Thermal resistance, junction to ambient (SOIC) | RθJA | 100 | °C/W | 6 | |||
| Thermal resistance, junction to case (top) (SOIC) | RθJC(top) | 40 | °C/W | 6 |
CAD (KiCad official)
- Symbol:
CA-IF1051HS - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
ca-if1051hs-etched.step/ca-if1051hs-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ca-if1051hs.step/ca-if1051hs.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Chipanalog datasheet (17 pp, sha256
8e4d7bbcf69ad3c6, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).