component
TLV320AIC29IRGZR
Public Made by Adomby adom
Texas Instruments Audio Interface ICs, VQFN-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownTLV320AIC29IRGZR
Texas Instruments · Audio Interface ICs · VQFN-48(7x7)
TLV320AIC29IRGZR from Texas Instruments, in a VQFN-48(7x7). 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 | IOVDD | power_in | IO supply for the digital interface; absolute maximum IOVDD to DVSS is -0.3 V to 3.9 V. |
| 2 | PWR_DN | input | Hardware power-down input for the device. |
| 3 | RESET | input | Hardware reset input for the device. |
| 4 | GPIO2 | bidirectional | General-purpose I/O; can also be used for headset detection interrupt or CLKOUT, per the register descriptions. |
| 5 | GPIO1 | bidirectional | General-purpose I/O; can also be used for button press detect interrupt or ADC word-select (ADWS), per the register descriptions. |
| 6 | AVDD2 | power_in | PLL analog power supply; absolute maximum AVDD1/2 to AVSS1/2 is -0.3 V to 3.9 V. |
| 7 | AVSS2 | power_in | Analog ground. |
| 8 | AVDD1 | power_in | Analog power supply for audio ADC, DAC, reference and SAR ADC; absolute maximum AVDD1/2 to AVSS1/2 is -0.3 V to 3.9 V. |
| 9 | NC | unconnected | No connect pin, listed as NC in the terminal functions table. |
| 10 | NC | unconnected | No connect pin, listed as NC in the terminal functions table. |
| 11 | NC | unconnected | No connect pin, listed as NC in the terminal functions table. |
| 12 | NC | unconnected | No connect pin, listed as NC in the terminal functions table. |
| 13 | AVSS1 | power_in | Analog ground. |
| 14 | VREF | power_in | Reference voltage for the SAR ADC; the internal reference (1.25 V or 2.5 V) can be used, or an external reference applied, per the operation section. |
| 15 | VBAT | power_in | Battery monitor input for direct battery measurement; input voltage limit to AVSS1/2 is -0.3 V to 6 V. |
| 16 | AUX2 | input | Secondary auxiliary analog input to the SAR ADC. |
| 17 | AUX1 | input | First auxiliary analog input to the SAR ADC. |
| 18 | BUZZ_IN/CP_INN | input | Buzzer input from the cell phone module, or inverting input from the cell phone module in differential mode. |
| 19 | CP_OUTP | output | Non-inverted output to the cell phone module. |
| 20 | CP_INP | input | Non-inverting input from the cell phone module. |
| 21 | MICIN_HND | input | Handset microphone input. |
| 22 | MICBIAS_HND | power_out | Handset microphone bias voltage output. |
| 23 | MICIN_HED | input | Headset microphone input. |
| 24 | MICBIAS_HED | power_out | Headset microphone bias voltage output. |
| 25 | MIC_DETECT_IN | input | Microphone detect input used for headset detection. |
| 26 | OUT32N | output | Receiver (32-ohm differential earpiece) driver output. |
| 27 | SPK1 | output | Headset driver output or receiver driver output. |
| 28 | SPK2 | output | Headset driver output. |
| 29 | DRVDD | power_in | Headphone driver power supply; absolute maximum DRVDD to DRVSS1/2 is -0.3 V to 3.9 V. |
| 30 | SPKFC | input | Driver feedback and speaker detect input. |
| 31 | VGND/CP_OUTN | output | Virtual ground for audio output, or inverted output to the cell phone module in differential mode. |
| 32 | DRVSS1 | power_in | Driver ground. |
| 33 | OUT8N | output | Loudspeaker driver output (negative side of BTL pair). |
| 34 | BVDD | power_in | Battery power supply for the speaker driver; absolute maximum BVDD to DRVSS1/2 is -0.3 V to 4.5 V. |
| 35 | OUT8P | output | Loudspeaker driver output (positive side of BTL pair). |
| 36 | DRVSS2 | power_in | Driver ground. |
| 37 | DAV | output | Auxiliary data available output. |
| 38 | SS | input | SPI slave select input. |
| 39 | MOSI | input | SPI serial data input. |
| 40 | MISO | output | SPI serial data output. |
| 41 | SCLK | input | SPI serial clock input. |
| 42 | MCLK | input | Master clock input. |
| 43 | SDOUT | output | Audio data output. |
| 44 | SDIN | input | Audio data input. |
| 45 | WCLK | bidirectional | Audio word clock; direction depends on master or slave mode. |
| 46 | BCLK | bidirectional | Audio bit clock; direction depends on master or slave mode. |
| 47 | DVDD | power_in | Digital core supply. |
| 48 | DVSS | power_in | Digital core and IO ground. |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-48(7x7) |
| Category | Interface |
| Pins | 49 |
CAD (KiCad official)
- Symbol:
TLV320AIC29IRGZR - Footprint:
Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm - 3D model: VQFN-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
tlv320aic29irgzr-etched.step/tlv320aic29irgzr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tlv320aic29irgzr.step/tlv320aic29irgzr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (89 pp, sha256
bf0db08cb73fc5c7, retrieved 2026-10-08, 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).