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Texas Instruments TWL1200IPFBRQ1
- Part No.:
- TWL1200IPFBRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
TWL1200IPFBRQ1.pdf
- Description:
- IC TRANSLTR BIDIRECTIONAL 48TQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TWL1200IPFBRQ1 from Texas Instruments is a 19-bit automotive-qualified voltage-translation transceiver designed to bridge 1.8-V/2.6-V digital-switching gaps between baseband processors and TI Wi-Link-6 (WL1271/WL1273) peripherals. It supports SDIO, UART, and PCM audio interfaces with dual supply rails (VCCA/VCCB = 1.1 V to 3.6 V), 50-MHz SDIO clock rate, and AEC-Q100 Grade 3 qualification (–40°C to +85°C).
For engineers reviewing the TWL1200IPFBRQ1 datasheet, TWL1200IPFBRQ1 pinout, TWL1200IPFBRQ1 application, or TWL1200IPFBRQ1 equivalent, this page delivers verified electrical specs, terminal-level circuit roles, automotive interface compatibility, drive strength per signal group, and real-world use context for mobile wireless subsystem integration.
Technical Context
The TWL1200IPFBRQ1 implements bidirectional level translation across two independent voltage domains using buffered and switch-type I/O architectures. It integrates dedicated direction control (AUD_DIR) for audio clock/sync signals and output-enable (OE) for global Hi-Z control, with separate 2-mA, 4-mA, and 8-mA drive strength assignments per functional group (e.g., SDIO_CLK_B = 8 mA, WLAN_EN_B = 2 mA).
Its architecture supports simultaneous SDIO (10-pin data/command bus), dual UART (BT_A/B channels), and stereo PCM audio (clock, sync, in/out) translation without protocol awareness - relying on external timing and handshaking (e.g., CLK_REQ, WLAN_IRQ). All I/Os are referenced to their respective VCCA or VCCB supplies, enabling true mixed-voltage interoperation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCCA / VCCB Range | 1.1 V to 3.6 V - enables flexible rail pairing (e.g., 2.6 V baseband ↔ 1.8 V Wi-Link) |
| SDIO Clock Rate | 50 MHz - supports high-speed SDIO 2.0 mode for Wi-Fi coexistence in mobile platforms |
| Max Data Rate | 60 Mbps (push-pull) - ensures timing margin for SDIO_DATAx and SDIO_CMD under worst-case skew |
| Drive Strength | 2 mA / 4 mA / 8 mA per signal - matched to load capacitance and trace length of target interface |
| AEC-Q100 Grade | Grade 3 (–40°C to +85°C) - qualified for automotive infotainment and telematics ambient operation |
| ESD Rating | HBM H1C (1.5 kV), CDM C3B (750 V) - meets automotive ESD robustness requirements |
| Package | TQFP-48 (PFB) - 7 mm × 7 mm, 0.5-mm pitch, thermally enhanced for mobile PCB layouts |
Pinout & Package
TQFP-48 (PFB) package with exposed thermal pad; 7 mm × 7 mm body, 0.5-mm lead pitch, JEDEC-standard footprint for automated assembly and thermal management in space-constrained mobile designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCA | A-side power supply | Reference for all A-port signals (baseband side); must be decoupled locally |
| VCCB | B-side power supply | Reference for all B-port signals (Wi-Link side); independent regulation required |
| OE | Global output enable | Active-low control: tie to GND to activate all outputs; open or high disables all |
| AUD_DIR | Audio direction control | Determines PCM clock/sync flow direction per Function Table (H = A→B, L = B→A) |
| SDIO_CLK_A / SDIO_CLK_B | SDIO clock translation pair | Push-pull driven; 8-mA drive on B-side ensures clean edge integrity into WL127x |
| BT_UART_TX_A / BT_UART_RX_B | Bluetooth UART cross-connection | Asymmetric drive (TX_A = 8 mA, RX_B = 8 mA) maintains signal integrity across voltage domains |
| WLAN_IRQ_A / WLAN_EN_B | Wi-Fi interrupt & enable control | 4-mA IRQ output alerts baseband; 2-mA EN output drives WL127x enable input reliably |
Key Features
| Feature | Design Value |
|---|---|
| 19-channel bidirectional translation | Simultaneously bridges SDIO (10 lines), dual UART (8 lines), and PCM audio (5 lines) between mismatched voltage domains |
| Configurable drive strength per signal | Prevents overshoot/ringing on long traces by assigning 2/4/8 mA per function (e.g., 8 mA for SDIO_CLK_B) |
| Independent VCCA/VCCB supplies | Enables 2.6-V baseband ↔ 1.8-V Wi-Link interfacing without level-shifter ICs or resistive networks |
| Automotive qualification | AEC-Q100 Grade 3, HBM H1C, CDM C3B - validated for under-hood and cabin electronics environments |
| Low static current | 30 µA total ICCA+ICCB - minimizes standby power in always-on wireless subsystems |
Applications
| Automotive Infotainment Head Unit | Telematics Control Unit (TCU) |
|---|---|
Use Scenario: Interfacing an application processor (2.6 V I/O) to TI WL1273 Wi-Fi/BT combo module (1.8 V I/O) in a dashboard display system. IC Role / Device Role / Timing Role: Voltage translator for SDIO (Wi-Fi data), dual UART (BT audio/control), and PCM (hands-free call audio). Use Value: Eliminates discrete level shifters, reduces BOM count by 3–5 components, and guarantees AEC-Q100 compliance for full subsystem qualification. |
Use Scenario: Enabling cellular modem and Wi-Fi coexistence in a vehicle's TCU, where baseband and connectivity ICs operate at different I/O voltages. IC Role / Device Role / Timing Role: Translates WLAN_IRQ, WLAN_EN, and SDIO_CMD/CLK between host MCU and WL1271 while maintaining 50-MHz timing integrity. Use Value: Ensures deterministic interrupt latency (<1 μs OE disable time) and prevents SDIO command corruption during voltage domain crossing. |
| Mobile Handset Platform | Connected Rear-Seat Entertainment |
Use Scenario: Integrating TI Wi-Link-6 into a smartphone platform with legacy 2.6-V application processor and 1.8-V memory card interface. IC Role / Device Role / Timing Role: Bidirectional SDIO translator with 60-Mbps data rate support and <0.4-ns channel-to-channel skew. Use Value: Enables direct SDIO 2.0 compliance without protocol-aware logic; reduces PCB layer count via single-chip solution. |
Use Scenario: Adding Wi-Fi streaming capability to rear-seat displays using a 2.6-V video processor and 1.8-V WL1273 module. IC Role / Device Role / Timing Role: Translates PCM_AUDIO_OUT_A → AUD_IN_B and AUDIO_F_SYNK_A → AUDIO_F_SYNK_B with AUD_DIR-controlled direction. Use Value: Maintains <100-ns audio clock skew across domains, preserving lip-sync accuracy for HD video playback. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AVC16T245QPWRQ1 | 16-bit, dual-supply, no integrated AUD_DIR or SDIO-specific timing optimization | Lacks dedicated audio clock direction control and WLAN-specific signal grouping | Use when only generic GPIO translation is needed; not optimized for SDIO/PCM coexistence |
| TXS0108EPWR | 8-bit, auto-direction sensing, lower drive strength (max 2 mA), non-automotive grade | Unsuitable for AEC-Q100 systems; lacks SDIO clock rate support and multi-signal grouping | Select only for consumer-grade portable devices without automotive qualification requirements |
Compared with SN74AVC16T245QPWRQ1 and TXS0108EPWR, the TWL1200IPFBRQ1 provides purpose-built SDIO/UART/audio signal mapping, higher drive strength per critical line (e.g., 8 mA on SDIO_CLK_B), and full AEC-Q100 Grade 3 validation - making it the only drop-in solution for TI Wi-Link-6 automotive integration.
Availability
TWL1200IPFBRQ1 is available at Aetrix Electronics and suitable for automotive infotainment head units, telematics control units, and connected rear-seat entertainment systems requiring stable component supply across extended product lifecycles.
Supply support for TWL1200IPFBRQ1 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
Texas Instruments is a global semiconductor company delivering analog and embedded processing solutions, with leadership in automotive, industrial, and personal electronics markets.
The TWL1200IPFBRQ1 belongs to TI's automotive interface portfolio, specifically engineered to simplify wireless connectivity integration between baseband processors and TI Wi-Link-6 modules in safety- and reliability-critical vehicle systems.
FAQ
What is the primary function of the TWL1200IPFBRQ1 in a wireless subsystem?
The TWL1200IPFBRQ1 serves as a dedicated 19-bit bidirectional voltage translator that bridges 1.8-V and 2.6-V I/O domains between baseband processors and TI Wi-Link-6 (WL1271/WL1273) modules. Its design eliminates discrete level shifters by integrating SDIO, UART, and PCM audio translation with per-signal drive strength control - all within a single AEC-Q100-qualified TQFP-48 package. The TWL1200IPFBRQ1 is not a protocol controller but a physical-layer interface enabler.
How does the AUD_DIR pin affect audio signal routing in the TWL1200IPFBRQ1?
The AUD_DIR pin determines the direction of PCM audio clock (AUDIO_CLK) and frame sync (AUDIO_F-SYNC) signals between the A-side (baseband) and B-side (Wi-Link). When AUD_DIR = high, translation flows A→B; when low, it flows B→A - as defined in the Function Table. This directional control is essential for full-duplex audio paths in hands-free Bluetooth calls. The TWL1200IPFBRQ1 does not buffer or regenerate these signals; it translates voltage levels while preserving timing relationships.
Can the TWL1200IPFBRQ1 support SDIO 3.0 or UHS-I modes?
No, the TWL1200IPFBRQ1 is specified for SDIO 2.0 operation with a maximum SDIO_CLK frequency of 50 MHz and data rates up to 60 Mbps in push-pull mode. It does not support SDIO 3.0 features such as DDR mode, 100-MHz clocks, or UHS-I signaling. Its timing characteristics - including 0.4-ns channel-to-channel skew and 1–7-ns propagation delay - are validated only for SDIO 2.0-compliant waveforms. For UHS-I, a different interface IC is required.
What is the recommended biasing for OE and AUD_DIR on the TWL1200IPFBRQ1?
OE must be hard-wired to GND (0 V) to enable all outputs; leaving it floating or pulling high places all outputs in high-impedance state. AUD_DIR must be actively driven to a valid logic level (VCCA × 0.65 min for high, VCCA × 0.35 max for low) - not passively pulled - to ensure correct audio clock/sync direction per the Function Table. TI's datasheet explicitly warns against floating either pin, as improper biasing causes undefined signal behavior. The TWL1200IPFBRQ1 requires no external pull-up/down resistors on these control inputs when properly driven.
Does the TWL1200IPFBRQ1 include internal ESD protection diodes on all I/O pins?
Yes, the TWL1200IPFBRQ1 includes integrated ESD protection meeting AEC-Q100 HBM Class H1C (1.5 kV) and CDM Class C3B (750 V). Each I/O pin has clamp diodes to VCCA and VCCB, with absolute maximum ratings specifying –0.5 V to 4.6 V input voltage range and ±50 mA clamp current. These structures protect against transient events during board handling and system operation but do not replace proper PCB-level ESD design practices - such as minimizing trace inductance and avoiding hot-plug scenarios. The TWL1200IPFBRQ1's ESD rating is fully characterized and production-tested per AEC-Q100 requirements.
TWL1200IPFBRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 4
- Voltage - VCCA:
- 1.1 V ~ 3.6 V
- Voltage - VCCB:
- 1.1 V ~ 3.6 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Open Drain
- Data Rate:
- 60Mbps
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Features:
- Audio, SIM Card Interface, UART
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TQFP
TWL1200IPFBRQ1 FAQ
1.How can I place an order for TWL1200IPFBRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TWL1200IPFBRQ1 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 TWL1200IPFBRQ1 reliable?
The price and inventory of TWL1200IPFBRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TWL1200IPFBRQ1 is usually 5 days.
3.What payment methods are accepted for TWL1200IPFBRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TWL1200IPFBRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TWL1200IPFBRQ1?
TWL1200IPFBRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TWL1200IPFBRQ1 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 TWL1200IPFBRQ1?
For technical support, including TWL1200IPFBRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TWL1200IPFBRQ1 requirements.
6.How does Aetrix verify that TWL1200IPFBRQ1 is sourced from the original manufacturer or authorized distributors?
All TWL1200IPFBRQ1 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 TWL1200IPFBRQ1 meets industry standards.
7.What is the process for return or replacement of TWL1200IPFBRQ1?
All TWL1200IPFBRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TWL1200IPFBRQ1, 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 TWL1200IPFBRQ1 part is unused and in its original packaging.
Return procedure for TWL1200IPFBRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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