My Inquiry
My Account
NXP Semiconductors SC16IS762IBS,157
- Part No.:
- SC16IS762IBS,157
- Manufacturer:
- NXP Semiconductors
- Category:
- Controllers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
SC16IS762IBS,157.pdf
- Description:
- IC DUAL UART 64BYTE 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,904
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SC16IS762IBS,157 from NXP Semiconductors is a dual-channel SPI/I²C-to-UART bridge IC with IrDA SIR support up to 1.152 Mbit/s, 64-byte FIFOs per channel, and eight programmable GPIOs - enabling protocol conversion from microcontroller buses to RS-232/RS-485 in space-constrained industrial edge nodes.
For engineers reviewing the SC16IS762IBS,157 datasheet, SC16IS762IBS,157 pinout, SC16IS762IBS,157 application, or SC16IS762IBS,157 equivalent, key selection criteria include SPI clock speed (15 Mbit/s), IrDA SIR capability (1.152 Mbit/s), HVQFN32 package footprint, dual UART interrupt prioritization (7 levels), and automatic RS-485 direction control via RTS.
Technical Context
The SC16IS762IBS,157 implements two independent 16C450-compatible UART channels with fully programmable framing (5–8 bit, parity, 1/1.5/2 stop bits), auto hardware flow control (RTS/CTS), and software flow control (Xon/Xoff). Its register set is backward compatible with legacy 16C450 designs, easing porting of existing drivers.
It supports dual interface modes: I²C-bus slave (Fast-mode, 400 kbit/s) or SPI slave (Mode 0, 15 Mbit/s max), selected by the I2C/SPI pin. Internal oscillator uses XTAL1/XTAL2 (1–25 MHz crystal or external clock), and sleep current is <30 µA at 3.3 V - critical for battery-powered telemetry gateways.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface Type | I²C-bus or SPI slave - selectable via dedicated I2C/SPI pin; no host-side protocol translation required. |
| UART Channels | Dual full-duplex UARTs - each with independent 64-byte TX/RX FIFOs, trigger-level programming, and priority-based interrupt handling. |
| Max Data Rate | 5 Mbit/s per UART in 16× clock mode - enables high-speed serial bridging for industrial PLC backplanes. |
| SPI Clock Speed | Up to 15 Mbit/s - distinguishes SC16IS762IBS,157 from SC16IS752 (4 Mbit/s limit); reduces host CPU overhead in SPI master systems. |
| IrDA SIR Support | 1.152 Mbit/s - enables infrared communication in handheld HMI devices without external encoder/decoder ICs. |
| GPIO Pins | 8 programmable I/O pins - configurable as general-purpose or modem control signals (DSR/DTR/RI/CD) via IOControl register. |
| Operating Voltage | 2.5 V or 3.3 V - supports mixed-voltage system integration; inputs are 5 V tolerant for legacy peripheral interfacing. |
| Temperature Range | −40 °C to +95 °C - qualified for industrial automation environments including factory floor controllers and motor drives. |
Pinout & Package
HVQFN32 (SOT617-1) package: 5 mm × 5 mm × 0.85 mm, thermally enhanced, with exposed center pad requiring PCB ground connection for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (pins 5, 13, 28) | Power supply | 3.3 V or 2.5 V core and I/O supply; decoupling required at each pin per layout guidelines. |
| VSS (pins 12, 21, 29 + center pad) | Ground | All VSS pins and exposed pad must be connected to system ground; center pad soldering mandatory for thermal performance. |
| I2C/SPI (pin 6) | Interface select | Logic HIGH = I²C mode; LOW = SPI mode - determines function of SDA, SCLK, CS, SI, SO pins. |
| IRQ (pin 14) | Interrupt output | Open-drain active-LOW signal indicating pending UART, modem, or GPIO interrupts; requires external 1 kΩ pull-up to VDD. |
| TXA / RXA / RTSA / CTSA (pins 32, 1, 30, 31) | Channel A UART I/O | Full-duplex serial interface with RTS/CTS flow control; RTSA drives RS-485 direction control when Auto-RTS enabled. |
| GPIO0–GPIO7 (pins 17–27) | Programmable I/O | Configurable as GPIO or modem control (DSRB/DTRB/CDB/RIB/DSRA/DTRA/CDA/RIA) via IOControl register bits. |
Key Features
| Feature | Design Value |
|---|---|
| Automatic RS-485 direction control | RTSA/RTSB automatically manage driver enable timing - eliminates external logic for half-duplex bus termination. |
| 64-byte dual FIFOs with programmable triggers | Reduces host interrupt frequency and CPU load; TLR register allows fine-grained RX/TX buffer level thresholds. |
| Software reset capability | UART registers reset independently of hardware RESET pin - enables runtime recovery without board-level reset assertion. |
| Backward-compatible 16C450 register map | Enables reuse of existing UART driver stacks across platforms - cuts firmware development time for embedded Linux or RTOS ports. |
| Low-power sleep mode (<30 µA) | Entered automatically when RX idle, TX FIFO empty, and no pending non-THR interrupts - extends battery life in portable data loggers. |
Applications
| Industrial PLC Communication Gateway | Handheld Barcode Scanner Terminal |
|---|---|
Use Scenario: Connects ARM Cortex-M host MCU (SPI) to legacy RS-485 fieldbus sensors and actuators in modular control cabinets. IC Role / Device Role / Timing Role: Dual UART bridge with automatic RS-485 direction control and hardware flow control - handles bidirectional Modbus RTU traffic without CPU intervention. Use Value: Eliminates need for discrete level shifters and direction logic; 15 Mbit/s SPI interface ensures low-latency command/response cycles under heavy polling loads. |
Use Scenario: Enables compact barcode scanner module with Bluetooth LE host interface (I²C) and integrated IrDA SIR for legacy point-of-sale terminal pairing. IC Role / Device Role / Timing Role: Dual UART with IrDA encoder/decoder - converts scanned data into infrared bursts compliant with IrDA SIR 1.152 Mbit/s physical layer. Use Value: Integrates IrDA PHY and protocol stack offload into single chip; 64-byte FIFO prevents data loss during burst scanning events. |
| Battery-Powered Remote I/O Node | Smart Energy Meter Interface Module |
Use Scenario: Adds isolated RS-232/RS-485 connectivity to solar-powered environmental sensor node using ultra-low-power MSP430 host (I²C). IC Role / Device Role / Timing Role: Low-voltage UART bridge with sleep mode activation - wakes on UART activity and returns to <30 µA standby between telemetry transmissions. Use Value: Extends 2xAA battery life to >5 years; 5 V-tolerant inputs simplify connection to legacy metering peripherals. |
Use Scenario: Interfaces metrology SoC (SPI) to optical pulse port and PLC communication interface in DIN-rail mounted electricity meters. IC Role / Device Role / Timing Role: Dual UART with independent FIFOs and auto-flow control - manages concurrent DLMS/COSEM over RS-485 and optical probe data over RS-232. Use Value: Prevents buffer overrun during simultaneous protocol traffic; GPIO pins configure optical port polarity and pulse counting mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual UART bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SC16IS752IBS | Max SPI clock 4 Mbit/s; IrDA SIR limited to 115.2 kbit/s; otherwise identical register map and pinout. | Not suitable for high-throughput SPI hosts or 1.152 Mbit/s IrDA links; lower cost where bandwidth is constrained. | Select SC16IS752IBS only if SPI master operates ≤4 Mbit/s and IrDA speed ≤115.2 kbit/s - avoids over-specifying. |
| MAX3100CEE+ | Single UART; SPI-only interface; no IrDA; smaller 16-pin QSOP package; 2.7–5.5 V operation. | Lacks dual-channel capability, GPIOs, and RS-485 direction control - requires external components for full industrial UART functionality. | Choose MAX3100CEE+ only for space-limited single-UART applications without IrDA or RS-485 requirements. |
Compared with SC16IS752IBS and MAX3100CEE+, the SC16IS762IBS,157 uniquely delivers dual UARTs, 15 Mbit/s SPI, 1.152 Mbit/s IrDA SIR, and integrated RS-485 direction control in HVQFN32 - making it the only drop-in solution for high-bandwidth, multi-protocol industrial edge nodes.
Availability
SC16IS762IBS,157 is available at Aetrix Electronics and suitable for industrial PLC gateways, handheld barcode terminals, battery-powered remote I/O nodes, and smart energy meter interface modules requiring stable component supply across extended product lifecycles.
Supply support for SC16IS762IBS,157 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications - delivering high-reliability interface, RF, and security ICs.
The SC16IS762IBS,157 belongs to NXP's industrial UART bridge product line, designed specifically to simplify protocol translation between modern microcontrollers and legacy serial fieldbuses while minimizing board area and power consumption.
FAQ
What interface protocols does the SC16IS762IBS,157 support?
The SC16IS762IBS,157 supports both I²C-bus (Fast-mode, up to 400 kbit/s) and SPI (Mode 0, up to 15 Mbit/s) as host-side interfaces - selected by the I2C/SPI pin. It does not support UART-to-UART bridging or USB. The device acts exclusively as a slave on either bus, with no master capability.
Does the SC16IS762IBS,157 support RS-485 automatic direction control?
Yes, the SC16IS762IBS,157 provides built-in automatic RS-485 driver direction control via its RTSA and RTSB outputs. When Auto-RTS is enabled in the Enhanced Features Register, the device asserts RTS before transmitting and de-asserts it after transmission completes - eliminating external direction-control logic for half-duplex buses.
What is the maximum IrDA SIR speed supported by the SC16IS762IBS,157?
The SC16IS762IBS,157 supports IrDA SIR at up to 1.152 Mbit/s - a key differentiator from the SC16IS752IBS, which is limited to 115.2 kbit/s. This higher speed enables faster infrared data exchange in handheld terminals and medical devices, though it remains incompatible with IrDA MIR at the same rate.
How many GPIO pins does the SC16IS762IBS,157 provide, and what are their functions?
The SC16IS762IBS,157 provides eight GPIO pins (GPIO0–GPIO7), each configurable as general-purpose I/O or as modem control signals (DSR/DTR/RI/CD) for either UART channel via the IOControl register. These pins support input, output, and interrupt-on-change modes - extending system-level control without additional ICs.
What package type is used for the SC16IS762IBS,157, and what are its thermal requirements?
The SC16IS762IBS,157 uses the HVQFN32 (SOT617-1) package: 5 mm × 5 mm × 0.85 mm with an exposed center pad. That pad must be soldered to a PCB thermal pad connected to ground - with thermal vias - to ensure proper heat dissipation and electrical stability, especially under continuous 5 Mbit/s UART operation.
SC16IS762IBS,157 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-VFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- RS232, RS485
- Function:
- Controller
- Interface:
- I2C, SPI, UART
- Standards:
- -
- Voltage - Supply:
- 2.5V, 3.3V
- Current - Supply:
- 2mA
- Operating Temperature:
- -40°C ~ 95°C
- Supplier Device Package:
- 32-HVQFN (5x5)
- Grade:
- -
- Qualification:
- -
SC16IS762IBS,157 FAQ
1.How can I place an order for SC16IS762IBS,157 through Aetrix?
Please submit a Request for Quotation (RFQ) for SC16IS762IBS,157 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SC16IS762IBS,157 reliable?
The price and inventory of SC16IS762IBS,157 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SC16IS762IBS,157 is usually 5 days.
3.What payment methods are accepted for SC16IS762IBS,157?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SC16IS762IBS,157 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SC16IS762IBS,157?
SC16IS762IBS,157 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SC16IS762IBS,157 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SC16IS762IBS,157?
For technical support, including SC16IS762IBS,157 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SC16IS762IBS,157 requirements.
6.How does Aetrix verify that SC16IS762IBS,157 is sourced from the original manufacturer or authorized distributors?
All SC16IS762IBS,157 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SC16IS762IBS,157 meets industry standards.
7.What is the process for return or replacement of SC16IS762IBS,157?
All SC16IS762IBS,157 units undergo pre-shipment inspection (PSI). If there is an issue with SC16IS762IBS,157, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SC16IS762IBS,157 part is unused and in its original packaging.
Return procedure for SC16IS762IBS,157:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SC16IS762IBS,157 Tags
-
PTN5150AHXMP
NXP Semiconductors
-
USB3740B-AI9-TR
Microchip Technology
-
USB3740B-AI2-TR
Microchip Technology
-
USB3300-EZK-TR
Microchip Technology
-
USB3300-EZK
Microchip Technology
-
FUSB340TMX
onsemi
-
FUSB302BMPX
onsemi
-
DP83826IRHBR
Texas Instruments
-
MCP2518FDT-E/QBB
Microchip Technology
-
FUSB302MPX
onsemi
-
MCP2518FDT-E/SL
Microchip Technology
-
FT260Q-R
FTDI, Future Technology Devices International Ltd
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
