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Texas Instruments TWL1200ZQCR
- Part No.:
- TWL1200ZQCR
- Manufacturer:
- Texas Instruments
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
TWL1200ZQCR.pdf
- Description:
- IC TRANSLTR BIDIRECTIONAL 48BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,009
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Product details
Overview
TWL1200ZQCR from Texas Instruments is a 19-bit bidirectional voltage-translation transceiver designed to bridge 1.8-V/2.6-V I/O compatibility gaps between baseband processors and TI Wi-Link-6 (WL1271/WL1273) modules. It supports SDIO (50 MHz clock, 60 Mbps data), UART (8-mA TX drive), and audio (4-mA CLK/F-SYNC, 4-mA IN/OUT) interfaces with dual supply rails (VCCA/VCCB: 1.1 V–3.6 V) and operates across –40°C to +85°C.
For engineers reviewing the TWL1200ZQCR datasheet, TWL1200ZQCR pinout, TWL1200ZQCR application, or TWL1200ZQCR equivalent, key selection criteria include SDIO channel skew (<0.4 ns), configurable audio direction via AUD_DIR, OE-controlled 3-state outputs, and verified interoperability with WL1271/3 in mobile phone RF front-end subsystems.
Technical Context
The TWL1200ZQCR implements dual-voltage rail translation using buffered and switch-type I/O architectures: SDIO_CLK(B) and BT_UART_TX(A) use 8-mA push-pull buffers; WLAN_EN(B) and BT_EN(B) use 2-mA outputs; AUDIO_CLK(A/B) and AUDIO_F-SYN(A/B) support bidirectional 4-mA buffered operation controlled by AUD_DIR. All I/Os tolerate 1.1 V–3.6 V on either side independently.
Its logic diagram integrates gate control, one-shot timing blocks, and resistor-based level-shifting networks (R1/R2 = 4 kΩ high / 25 kΩ low / 70 kΩ Hi-Z) for seamless voltage domain bridging. OE disables all outputs to Hi-Z; AUD_DIR selects audio signal direction per the function table - no internal pull-ups on SDIO_CMD(B), which includes a 15-kΩ pull-up to VCCB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCCA/VCCB Range | 1.1 V to 3.6 V - enables independent supply biasing for 1.8-V peripherals and 2.6-V basebands |
| SDIO Clock Rate | 50 MHz - supports full-speed SDIO mode for Wi-Link-6 interface without clock division |
| Max Data Rate | 60 Mbps - sustains high-throughput SDIO_DATAx transfers under push-pull driving |
| Channel Skew | <0.4 ns (SDIO Ch-A ↔ Ch-B) - ensures timing alignment critical for multi-bit SDIO command/data coherency |
| Output Drive | 2 mA / 4 mA / 8 mA selectable per pin - matches load requirements of WLAN_IRQ(A), AUDIO_OUT(A), SDIO_CLK(B) |
| ESD Rating | 2500-V HBM - exceeds JEDEC JESD22-A114B for robustness in handheld assembly and field use |
| Operating Temp | –40°C to +85°C - qualified for industrial-grade mobile handset environments |
Pinout & Package
The TWL1200ZQCR uses a 48-ball, 0.5-mm pitch BGA package (ZQC), RoHS-compliant and moisture-sensitive level 3. Package dimensions are 3.5 mm × 3.5 mm × 0.9 mm (max).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDIO_CLK(A) | Input (A-side) | 2.6-V baseband SDIO clock input referenced to VCCA; 50-MHz capable |
| SDIO_CLK(B) | Output (B-side) | 1.8-V SDIO clock output to WL1271/3; 8-mA drive strength, 10-ns min pulse width |
| AUD_DIR | Direction Control | Active-High signal selecting audio path: H = A→B (baseband→Wi-Link), L = B→A (Wi-Link→baseband) |
| OE | Output Enable | Active-Low global enable; pulls all outputs to Hi-Z when high - must be grounded for normal operation |
| AUDIO_OUT(A) | Output (A-side) | 4-mA PCM audio output from baseband to TWL1200; connects to internal audio transceiver block |
| AUDIO_OUT(B) | Input (B-side) | PCM audio input to Wi-Link-6; receives signal translated from A-side via bidirectional audio path |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Audio Translation | AUD_DIR-controlled path enables single-device PCM routing between baseband and Wi-Link-6 without external switches |
| Configurable SDIO Drive Strength | SDIO_CLK(B) and SDIO_DATAx(B) pins support 8-mA push-pull output to meet WL1271 setup/hold timing at 50 MHz |
| Integrated Pull-Up on SDIO_CMD(B) | 15-kΩ internal pull-up to VCCB eliminates external component for open-drain SDIO command line termination |
| Low-Power Operation | Typical ICCA + ICCB = 30 µA - minimizes standby current in always-on mobile connectivity subsystems |
| Robust ESD Protection | 2500-V HBM, 250-V MM, 1500-V CDM - meets IEC 61000-4-2 Level 4 for system-level surge immunity |
Applications
| Smartphone Baseband–Wi-Link Interface | Mobile Hotspot SDIO Bridge |
|---|---|
Use Scenario: Interfacing a 2.6-V OMAP application processor to a 1.8-V WL1273 Wi-Fi/BT combo module in a 4G smartphone. IC Role / Device Role / Timing Role: Voltage translator enabling SDIO, UART, and PCM audio signal bridging with sub-nanosecond channel skew control. Use Value: Eliminates discrete level shifters and reduces PCB area by 40% versus discrete solutions while maintaining 50-MHz SDIO timing integrity. | Use Scenario: Enabling simultaneous Wi-Fi hotspot and Bluetooth audio streaming in a portable router using shared baseband resources. IC Role / Device Role / Timing Role: Dual-rail transceiver managing concurrent SDIO (Wi-Fi), UART (BT control), and bidirectional audio (A2DP) paths. Use Value: AUD_DIR pin allows dynamic audio direction switching during call handover, avoiding firmware reconfiguration delays. |
| WLAN Coexistence Module | Embedded Tablet Connectivity Hub |
Use Scenario: Isolating WLAN_EN and WLAN_IRQ signals between baseband and WL1271 in a dual-band Wi-Fi design with LTE coexistence. IC Role / Device Role / Timing Role: Level-shifting control signaling with 2-mA drive strength and 4-mA IRQ sink capability for noise-immune interrupt handling. Use Value: Prevents false WLAN_IRQ assertions caused by ground bounce or supply ripple through precise 0.55-V VOL at 4-mA load. | Use Scenario: Integrating Wi-Link-6 into an ARM-based tablet platform where baseband runs at 2.6 V and memory/peripherals operate at 1.8 V. IC Role / Device Role / Timing Role: Centralized I/O translator for SDIO, slow clock (32 kHz), and BT UART (CTS/RTS/TX/RX) with independent VCCA/VCCB biasing. Use Value: SLOW_CLK(A/B) translation preserves 32.768-kHz accuracy across voltage domains, enabling synchronized sleep-mode wake-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TCA9617A | 2-channel I²C translator with auto-direction sensing; lacks SDIO/audio support and 50-MHz capability | Targeted at low-speed control buses only - not suitable for SDIO or PCM audio paths | Select only for I²C isolation; cannot replace TWL1200ZQCR in Wi-Link-6 interface designs |
| SN74AVC16T245 | 16-bit LVTTL translator with 3.6-V max VCC; no integrated AUD_DIR or SDIO-specific timing controls | Requires external direction control logic and pull-ups; unqualified for –40°C to +85°C mobile operation | Use for general-purpose parallel bus translation only - not validated for WL1271/3 interoperability |
Compared with TCA9617A and SN74AVC16T245, the TWL1200ZQCR delivers purpose-built SDIO timing compliance, integrated audio direction control, and automotive-grade temperature qualification - making it irreplaceable in TI Wi-Link-6 reference designs.
Availability
TWL1200ZQCR is available at Aetrix Electronics and suitable for smartphone baseband interfacing, mobile hotspot SDIO bridging, and WLAN coexistence modules requiring stable component supply throughout product lifecycles.
Supply support for TWL1200ZQCR 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 for industrial, automotive, and personal electronics markets.
The TWL1200 belongs to TI's wireless connectivity interface product line, engineered specifically to simplify integration of Wi-Link-6 modules into baseband platforms while eliminating discrete level-shifting components.
FAQ
What is the primary function of the TWL1200ZQCR in a mobile platform?
The TWL1200ZQCR serves as a dedicated bidirectional voltage-translation transceiver that bridges 1.8-V and 2.6-V I/O domains between baseband processors and TI Wi-Link-6 (WL1271/WL1273) modules. Its core function is to enable SDIO, UART, and PCM audio communication across mismatched voltage rails without external level-shifting components - a role confirmed in TI's SCES786A datasheet and validated in OMAP-WL1273 reference designs.
How does the AUD_DIR pin affect audio signal flow in the TWL1200ZQCR?
The AUD_DIR pin on the TWL1200ZQCR determines real-time directionality of the audio path: when high, AUDIO_CLK(A) and AUDIO_F-SYN(A) drive corresponding B-side signals (baseband → Wi-Link); when low, the reverse path activates (Wi-Link → baseband). This hardware-controlled bidirectional capability eliminates software intervention during call handovers and is explicitly defined in the Function Table of the TWL1200ZQCR datasheet.
Is the OE pin on the TWL1200ZQCR active-high or active-low?
The OE (Output Enable) pin on the TWL1200ZQCR is active-low: pulling OE low enables all output buffers, while holding OE high places all outputs in high-impedance state. The datasheet mandates grounding OE to 0 V for normal operation, and this behavior is consistent across all ZQC-package variants including TWL1200ZQCR.
What SDIO timing parameters are guaranteed for the TWL1200ZQCR at 50 MHz?
At 50 MHz SDIO_CLK, the TWL1200ZQCR guarantees tPD ≤ 6.5 ns (A→B), channel-to-clock skew ≤ 1.3 ns, and SDIO Ch-A to Ch-B skew < 0.4 ns under VCCA = 2.5 V / VCCB = 1.8 V conditions. These values are measured per the Switching Characteristics tables in the official SCES786A datasheet and apply directly to TWL1200ZQCR in ZQC packaging.
Does the TWL1200ZQCR include any built-in pull-up resistors?
Yes - the TWL1200ZQCR includes a 15-kΩ internal pull-up resistor on SDIO_CMD(B), referenced to VCCB. This eliminates the need for an external pull-up on the SDIO command line when interfacing with WL1271/3, and is explicitly documented in the Terminal Functions table of the TWL1200ZQCR datasheet.
TWL1200ZQCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- -
- Qualification:
- -
- Features:
- Audio, SIM Card Interface, UART
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-VFBGA
TWL1200ZQCR FAQ
1.How can I place an order for TWL1200ZQCR through Aetrix?
Please submit a Request for Quotation (RFQ) for TWL1200ZQCR 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 TWL1200ZQCR reliable?
The price and inventory of TWL1200ZQCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TWL1200ZQCR is usually 5 days.
3.What payment methods are accepted for TWL1200ZQCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TWL1200ZQCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TWL1200ZQCR?
TWL1200ZQCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TWL1200ZQCR 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 TWL1200ZQCR?
For technical support, including TWL1200ZQCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TWL1200ZQCR requirements.
6.How does Aetrix verify that TWL1200ZQCR is sourced from the original manufacturer or authorized distributors?
All TWL1200ZQCR 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 TWL1200ZQCR meets industry standards.
7.What is the process for return or replacement of TWL1200ZQCR?
All TWL1200ZQCR units undergo pre-shipment inspection (PSI). If there is an issue with TWL1200ZQCR, 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 TWL1200ZQCR part is unused and in its original packaging.
Return procedure for TWL1200ZQCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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