component
TP8485E-VR
Public Made by Adomby adom
3PEAK Buffers, Drivers, Receivers, Transceivers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
TP8485E-VR
3PEAK · Buffers, Drivers, Receivers, Transceivers · MSOP-8
TP8485E-VR from 3PEAK, in a MSOP-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 | R | output | Receiver output; when the receiver is enabled (/RE low) it reflects the bus differential state, and it is high-impedance when /RE is high, with typical drive of 25 mA at VOL = 1 V. |
| 2 | /RE | input | Active-low receiver enable; driving it high disables the receiver output (R goes high-impedance). |
| 3 | DE | input | Active-high driver enable; driving it low disables the driver outputs (A/Y and B/Z go high-impedance), and the logic input is specified with VIH of 2 V min and VIL of 0.4 V max. |
| 4 | D | input | Driver data input; with DE high it sets the bus state (D high drives A/Y high and B/Z low), with logic thresholds VIH 2 V min and VIL 0.4 V max. |
| 5 | GND | power_in | Ground reference for the device supply, rated VDD to GND of -0.3 V to +7 V absolute maximum. |
| 6 | A/Y | bidirectional | Non-inverting RS-485 bus terminal (receiver input A and driver output Y), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V. |
| 7 | B/Z | bidirectional | Inverting RS-485 bus terminal (receiver input B and driver output Z), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V. |
| 8 | VCC | power_in | Supply voltage, specified from 3 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | 3PEAK |
| Package | MSOP-8 |
| Category | Logic |
| 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 |
|---|---|---|---|---|---|---|---|
| Driver differential-output voltage magnitude, RL=60Ω | /VOD/ | 2.6 | V | RL = 60 Ω, See Figure 1B, VCC = 5V | 4 | ||
| Driver differential-output voltage magnitude, RS-485 | /VOD/ | 2.1 | 2.5 | V | RL = 54 Ω with VA or VB from -7 to +12 V, VCC = 5V (RS-485), See Figure 1A | 4 | |
| Driver differential-output voltage magnitude, RS-485 3V | /VOD/ | 1 | 1.5 | V | RL = 54 Ω with VA or VB from -7 to +12 V, VCC = 3V (RS-485) | 4 | |
| Driver differential-output voltage magnitude, RS-422 | /VOD/ | 3 | V | RL = 100 Ω (RS-422) | 4 | ||
| Change in magnitude of driver differential-output voltage | ⊿/VOD/ | -0.2 | -0.002 | 0.2 | V | RL = 54 Ω, CL=50 pF, VCC = 5V, See Figure 1A | 4 |
| Change in differential driver common-mode output voltage | ⊿VOC | 0.05 | V | 4 | |||
| Peak-to-peak driver common-mode output voltage | VOC(PP) | 0.5 | V | 4 | |||
| Positive-going receiver differential-input voltage threshold | VIT+ | -40 | mV | 4 | |||
| Negative-going receiver differential-input voltage threshold | VIT- | -200 | mV | 4 | |||
| Logic Input High Voltage | VIH | 2 | V | DI, DE, RE | 4 | ||
| Logic Input Low Voltage | VIL | 0.4 | V | DI, DE, RE | 4 | ||
| Receiver high-level output voltage | VOH | 4 | 4.5 | V | IOH= -8 mA | 4 | |
| Receiver low-level output voltage | VOL | 0.2 | 0.4 | V | IOL= 8 mA | 4 | |
| Driver input, driver enable and receiver enable input current | II | -2 | 0.01 | 2 | μA | 4 | |
| Receiver high-impedance output current | IOZ | -2 | 0.01 | 2 | μA | VO = 0 V or VCC, /RE at VCC | 4 |
| Driver short-circuit output current | /IOS/ | 75 | 80 | 115 | mA | │IOS│ with VA or VB from -7 to +12 V | 4 |
| Bus input current (driver disabled), VI=12 V | II | 100 | 150 | μA | VCC = 4.5 to 5.5 V or VCC = 0 V, DE at 0 V; VI= 12 V | 4 | |
| Bus input current (driver disabled), VI=-7 V | II | -150 | -80 | μA | VCC = 4.5 to 5.5 V or VCC = 0 V, DE at 0 V; VI= -7 V | 4 | |
| Supply current (quiescent), driver and receiver enabled | ICC | 695 | 900 | μA | Driver and receiver enabled; DE = VCC, /RE = GND, No LOAD | 4 | |
| Supply current (quiescent), driver enabled, receiver disabled | ICC | 270 | 350 | μA | Driver enabled, receiver disabled; DE = VCC, /RE = VCC, No LOAD | 4 | |
| Supply current (quiescent), driver disabled, receiver enabled | ICC | 480 | 600 | μA | Driver disabled, receiver enabled; DE = GND, /RE = VCC, No LOAD | 4 | |
| Supply current (quiescent), driver and receiver disabled | ICC | 1.4 | 5 | μA | Driver and receiver disabled; DE = GND, /RE = VCC, D= Vcc No LOAD | 4 | |
| Driver differential-output rise and fall times | tr, tf | 620 | ns | RL = 54 Ω, CL=50pF, See Figure 2 | 5 | ||
| Driver propagation delay | tPHL, tPLH | 340 | ns | 5 | |||
| Driver pulse skew | tSK(P) | 23 | ns | /tPHL, tPLH/ | 5 | ||
| Driver disable time | tPHZ, tPLZ | 250 | ns | See Figure 3 | 5 | ||
| Driver enable time, receiver enabled | tPHZ, tPLZ | 562 | ns | Receiver enabled | 5 | ||
| Driver enable time, receiver disabled | tPHZ, tPLZ | 562 | ns | Receiver disabled | 5 | ||
| Receiver output rise and fall times | tr, tf | 12.4 | ns | CL=15 pF, See Figure 5 | 5 | ||
| Receiver propagation delay time | tPHL, tPLH | 960 | ns | 5 | |||
| Receiver pulse skew | tSK(P) | 40 | ns | /tPHL, tPLH/ | 5 | ||
| Receiver disable time | tPHZ, tPLZ | 7 | ns | 5 | |||
| Receiver enable time, driver enabled | tPZL, tPZH | 70 | ns | Driver enabled, See Figure 6 | 5 | ||
| Receiver enable time, driver disabled | tPZL, tPZH | 989 | ns | Driver disabled, See Figure 6 | 5 | ||
| ESD HBM, RS-485 bus pins (A, Y, B, Z, A/Y, B/Z) to GND | -12 | 12 | kV | Human Body Model, From Bus Pins to GND | 5 | ||
| ESD HBM, all other pins | -2 | 2 | kV | Human Body Model, per MIL-STD-883 | 5 | ||
| VDD to GND | VDD | -0.3 | 7 | V | 3 | ||
| Input voltages DI, DE, RE (max printed as VCC + 0.3V) | -0.3 | V | Max printed as VCC + 0.3V | 3 | |||
| Input/output voltages A/Y, B/Z, A, B, Y, Z | -9 | 14 | V | 3 | |||
| Transient pulse A/Y, B/Z, A, B, Y, Z through 100Ω | -100 | 100 | V | Through 100Ω, Note 1: TIA/EIA-485-A Section 4.2.6, ±100V for 15 μs at 1% duty cycle | 3 | ||
| RO output voltage (max printed as VCC + 0.3V) | -0.3 | V | Max printed as VCC + 0.3V | 3 | |||
| Supply voltage | 3 | 5.5 | V | 3 | |||
| Temperature range | -40 | 125 | °C | 3 | |||
| Bus pin common mode voltage range | -8 | 13 | V | 3 | |||
| Maximum junction temperature (plastic package) | 150 | °C | 3 | ||||
| Maximum storage temperature range | -65 | 150 | °C | 3 |
CAD (KiCad official)
- Symbol:
TP8485E-VR - Footprint:
Package_SO:MSOP-8_3x3mm_P0.65mm - 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files:
tp8485e-vr-etched.step/tp8485e-vr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tp8485e-vr.step/tp8485e-vr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: 3PEAK datasheet (15 pp, sha256
eddf614de77cf7ff, 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).
# TP8485E-VR
**3PEAK** · Buffers, Drivers, Receivers, Transceivers · MSOP-8
TP8485E-VR from 3PEAK, in a MSOP-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 | R | output | Receiver output; when the receiver is enabled (/RE low) it reflects the bus differential state, and it is high-impedance when /RE is high, with typical drive of 25 mA at VOL = 1 V. |
| 2 | /RE | input | Active-low receiver enable; driving it high disables the receiver output (R goes high-impedance). |
| 3 | DE | input | Active-high driver enable; driving it low disables the driver outputs (A/Y and B/Z go high-impedance), and the logic input is specified with VIH of 2 V min and VIL of 0.4 V max. |
| 4 | D | input | Driver data input; with DE high it sets the bus state (D high drives A/Y high and B/Z low), with logic thresholds VIH 2 V min and VIL 0.4 V max. |
| 5 | GND | power_in | Ground reference for the device supply, rated VDD to GND of -0.3 V to +7 V absolute maximum. |
| 6 | A/Y | bidirectional | Non-inverting RS-485 bus terminal (receiver input A and driver output Y), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V. |
| 7 | B/Z | bidirectional | Inverting RS-485 bus terminal (receiver input B and driver output Z), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V. |
| 8 | VCC | power_in | Supply voltage, specified from 3 V to 5.5 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | 3PEAK |
| Package | MSOP-8 |
| Category | Logic |
| 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 |
|---|---|---|---|---|---|---|---|
| Driver differential-output voltage magnitude, RL=60Ω | /VOD/ | 2.6 | | | V | RL = 60 Ω, See Figure 1B, VCC = 5V | 4 |
| Driver differential-output voltage magnitude, RS-485 | /VOD/ | 2.1 | 2.5 | | V | RL = 54 Ω with VA or VB from -7 to +12 V, VCC = 5V (RS-485), See Figure 1A | 4 |
| Driver differential-output voltage magnitude, RS-485 3V | /VOD/ | 1 | 1.5 | | V | RL = 54 Ω with VA or VB from -7 to +12 V, VCC = 3V (RS-485) | 4 |
| Driver differential-output voltage magnitude, RS-422 | /VOD/ | 3 | | | V | RL = 100 Ω (RS-422) | 4 |
| Change in magnitude of driver differential-output voltage | ⊿/VOD/ | -0.2 | -0.002 | 0.2 | V | RL = 54 Ω, CL=50 pF, VCC = 5V, See Figure 1A | 4 |
| Change in differential driver common-mode output voltage | ⊿VOC | | | 0.05 | V | | 4 |
| Peak-to-peak driver common-mode output voltage | VOC(PP) | | | 0.5 | V | | 4 |
| Positive-going receiver differential-input voltage threshold | VIT+ | | | -40 | mV | | 4 |
| Negative-going receiver differential-input voltage threshold | VIT- | | | -200 | mV | | 4 |
| Logic Input High Voltage | VIH | 2 | | | V | DI, DE, RE | 4 |
| Logic Input Low Voltage | VIL | | | 0.4 | V | DI, DE, RE | 4 |
| Receiver high-level output voltage | VOH | 4 | 4.5 | | V | IOH= -8 mA | 4 |
| Receiver low-level output voltage | VOL | | 0.2 | 0.4 | V | IOL= 8 mA | 4 |
| Driver input, driver enable and receiver enable input current | II | -2 | 0.01 | 2 | μA | | 4 |
| Receiver high-impedance output current | IOZ | -2 | 0.01 | 2 | μA | VO = 0 V or VCC, /RE at VCC | 4 |
| Driver short-circuit output current | /IOS/ | 75 | 80 | 115 | mA | │IOS│ with VA or VB from -7 to +12 V | 4 |
| Bus input current (driver disabled), VI=12 V | II | 100 | | 150 | μA | VCC = 4.5 to 5.5 V or VCC = 0 V, DE at 0 V; VI= 12 V | 4 |
| Bus input current (driver disabled), VI=-7 V | II | -150 | | -80 | μA | VCC = 4.5 to 5.5 V or VCC = 0 V, DE at 0 V; VI= -7 V | 4 |
| Supply current (quiescent), driver and receiver enabled | ICC | | 695 | 900 | μA | Driver and receiver enabled; DE = VCC, /RE = GND, No LOAD | 4 |
| Supply current (quiescent), driver enabled, receiver disabled | ICC | | 270 | 350 | μA | Driver enabled, receiver disabled; DE = VCC, /RE = VCC, No LOAD | 4 |
| Supply current (quiescent), driver disabled, receiver enabled | ICC | | 480 | 600 | μA | Driver disabled, receiver enabled; DE = GND, /RE = VCC, No LOAD | 4 |
| Supply current (quiescent), driver and receiver disabled | ICC | | 1.4 | 5 | μA | Driver and receiver disabled; DE = GND, /RE = VCC, D= Vcc No LOAD | 4 |
| Driver differential-output rise and fall times | tr, tf | | | 620 | ns | RL = 54 Ω, CL=50pF, See Figure 2 | 5 |
| Driver propagation delay | tPHL, tPLH | | | 340 | ns | | 5 |
| Driver pulse skew | tSK(P) | | | 23 | ns | /tPHL, tPLH/ | 5 |
| Driver disable time | tPHZ, tPLZ | | | 250 | ns | See Figure 3 | 5 |
| Driver enable time, receiver enabled | tPHZ, tPLZ | | | 562 | ns | Receiver enabled | 5 |
| Driver enable time, receiver disabled | tPHZ, tPLZ | | | 562 | ns | Receiver disabled | 5 |
| Receiver output rise and fall times | tr, tf | | | 12.4 | ns | CL=15 pF, See Figure 5 | 5 |
| Receiver propagation delay time | tPHL, tPLH | | | 960 | ns | | 5 |
| Receiver pulse skew | tSK(P) | | | 40 | ns | /tPHL, tPLH/ | 5 |
| Receiver disable time | tPHZ, tPLZ | | | 7 | ns | | 5 |
| Receiver enable time, driver enabled | tPZL, tPZH | | | 70 | ns | Driver enabled, See Figure 6 | 5 |
| Receiver enable time, driver disabled | tPZL, tPZH | | | 989 | ns | Driver disabled, See Figure 6 | 5 |
| ESD HBM, RS-485 bus pins (A, Y, B, Z, A/Y, B/Z) to GND | | -12 | | 12 | kV | Human Body Model, From Bus Pins to GND | 5 |
| ESD HBM, all other pins | | -2 | | 2 | kV | Human Body Model, per MIL-STD-883 | 5 |
| VDD to GND | VDD | -0.3 | | 7 | V | | 3 |
| Input voltages DI, DE, RE (max printed as VCC + 0.3V) | | -0.3 | | | V | Max printed as VCC + 0.3V | 3 |
| Input/output voltages A/Y, B/Z, A, B, Y, Z | | -9 | | 14 | V | | 3 |
| Transient pulse A/Y, B/Z, A, B, Y, Z through 100Ω | | -100 | | 100 | V | Through 100Ω, Note 1: TIA/EIA-485-A Section 4.2.6, ±100V for 15 μs at 1% duty cycle | 3 |
| RO output voltage (max printed as VCC + 0.3V) | | -0.3 | | | V | Max printed as VCC + 0.3V | 3 |
| Supply voltage | | 3 | | 5.5 | V | | 3 |
| Temperature range | | -40 | | 125 | °C | | 3 |
| Bus pin common mode voltage range | | -8 | | 13 | V | | 3 |
| Maximum junction temperature (plastic package) | | | | 150 | °C | | 3 |
| Maximum storage temperature range | | -65 | | 150 | °C | | 3 |
## CAD (KiCad official)
- Symbol: `TP8485E-VR`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `tp8485e-vr-etched.step` / `tp8485e-vr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tp8485e-vr.step` / `tp8485e-vr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [3PEAK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834808646787072) (15 pp, sha256 `eddf614de77cf7ff`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/tp8485e-vr-datasheet.pdf)