Pharmaceutical Capsules

Approx. Rs 250 / PieceGet Latest Price

Product BrochureProduct Details:

Here’s a detailed overview of the TP8485E from 3PEAK:

�� Overview & Key Specs

• Type: Half–duplex RS‑485 / RS‑422 transceiver, 1 driver & 1 receiver in SOIC‑8 or MSOP‑8 package 

• Supply Voltage: 3 V to 5.5 V 

• Data Rate: Up to 250 kbps (suitable for DMX512, industrial automation, metering) 

• Operating Temp: –40 °C to +125 °C (industrial grade) 

�� Robust Protection & Bus Performance

• ESD Protection:

  • ±12 kV (HBM) on bus pins

  • ±18 kV (HBM) total per IEC61000‑4‑2, plus fast‑transient protection 

• Fail‑Safe Receiver:

  • Ensures the receiver output remains HIGH if bus is open, shorted, or idle 

• Hot‑Plug Support:

  • TX/RX stay tri‑state until Vcc ≈2.5 V, preventing bus lockups during power cycling 

�� Electrical Characteristics

• Driver Output: ≥ 2.5 V differential across 54 Ω, ≥ 2.8 V across 100 Ω Receiver Input Sensitivity: ≈ ±200 mV

• Bus Load: “1/8 unit‑load” – up to 256 nodes can share the bus without repeaters 

• Receiver Drive: 25 mA at VOL = 1 V (useful for optocoupler or LED drive) 

⚙️ Typical Applications

• Industrial automation buses

• E‑metering and HVAC control networks

• DMX512 lighting systems

• Battery‑powered or low‑voltage RS‑485/422 links

��️ Integration Tips

1. Bus Termination: Use 120 Ω resistor at each end to keep idle bus mocked.

2. Fail-safe Usage: Output stays HIGH under fault or idle—circuit logic should expect that.

3. Vcc Decoupling: Place 0.1 µF caps close to Vcc and GND for stability.

4. Hot-Plug Safety: The device prevents collisions during startup/shutdown—completely bus-safe.

✅ Summary

The TP8485E is a robust, industrial-grade RS‑485/422 transceiver offering:

• Wide voltage range (3–5.5 V)

• High ESD protection (±12 kV to ±18 kV)

• Fail-safe receiver behavior

• Hot-plug tolerance and low bus loading

It’s a great fit for reliable, embedded communications across industrial or battery-powered applications. Available cheaply and in good stock.

Would you like help comparing it to alternatives like TI’s SN65HVD or Maxim/MAX3485, or suggestions where to source it in India?

Approx. Rs 3,500 / PieceGet Latest Price

Product BrochureProduct Details:

 

Here’s what I found about the ST10R167-Q3 microcontroller from STMicroelectronics:

Overview & Key Features

• The ST10R167-Q3 is a 16-bit ROMless microcontroller from the ST10 family, running at up to 25 MHz and packaged in a 144-pin PQFP format. It includes 4 KB of RAM (organized as 4 K × 8) and supports operation over a 4.5–5.5 V supply range. It offers a rich set of I/O and communication features (CAN, SSC, UART/USART) and integrates peripherals like A/D converters, timers, PWM, and a watchdog timer .

• Internal architecture includes a 16-channel, 10-bit A/D converter, up to 111 general-purpose I/O lines, and a powerful ST10 core with a 4-stage pipeline capable of roughly 12.5 MIPS at 25 MHz .

• Memory structure: the device is ROMless—i.e., it contains no on-chip program ROM or Flash, so code must be supplied externally. On-chip resources include 2 KB internal RAM, with external memory support via a flexible external bus controller supporting up to 16 MB of external memory .

Additional Specs at a Glance

Note: While it packs a robust feature set, multiple sources—including Digi-Key and Mouser—note that the ST10R167-Q3 is now obsolete and is no longer in production .

Summary

The ST10R167-Q3 is a high-performance, ROMless, 16-bit microcontroller tailored for applications needing robust processing, extensive I/O, and flexible memory interfacing—such as automotive or industrial control systems. Its on-chip RAM, ADC, and communication modules add versatility to its capabilities.

However, its obsolete status should prompt consideration of modern alternatives or strategies for sourcing remaining stock if retrofitting or maintenance of legacy designs is involved.

Would you like assistance identifying suitable modern replacements, evaluating compatibility, or comparing similar microcontrollers? Happy to help!