TPS61196PWPR

@@ -0,0 +1,71 @@+# TPS61196PWPR++**Texas Instruments** · LED Drivers · TSSOP-28-EP++TPS61196PWPR from Texas Instruments, in a TSSOP-28-EP. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | UVLO | input | Undervoltage lockout input. Use a resistor divider from VIN to this pin to set the UVLO threshold (V_UVLOTH typ 1.229 V). |+| 2 | EN | input | Enable pin. EN high = enable, EN low = disable. Logic high 1.8 V min, logic low 0.8 V max; internal pull-down ~1.6 MΩ. |+| 3 | PWM1 | input | PWM dimming input for LED string 1. Frequency range 90 Hz to 22 kHz; duty cycle sets string brightness independently. |+| 4 | PWM2 | input | PWM dimming input for LED string 2. Frequency range 90 Hz to 22 kHz. |+| 5 | PWM3 | input | PWM dimming input for LED string 3. Frequency range 90 Hz to 22 kHz. |+| 6 | PWM4 | input | PWM dimming input for LED string 4. Frequency range 90 Hz to 22 kHz. |+| 7 | PWM5 | input | PWM dimming input for LED string 5. Frequency range 90 Hz to 22 kHz. |+| 8 | PWM6 | input | PWM dimming input for LED string 6. Frequency range 90 Hz to 22 kHz. |+| 9 | FBP | input | LED cross-short protection threshold program pin. Use a resistor to GND to set the threshold (I_FBP = 0.25 × I_SET at V_FBP = 1 V). |+| 10 | ISET | input | IFB current programming pin. Resistor to GND sets the full-brightness (100% dimming) IFB pin current level. V_ISET typ 1.229 V; K_ISET = I_FB/I_SET ≈ 3992. |+| 11 | IFBV | input | Minimum feedback voltage setting for LED strings. V_IFBV range 0.3 V to 1.0 V; sets the IFB regulation voltage floor. |+| 12 | IFB1 | input | Regulated current sink input for LED string 1. Connects to the cathode of the LED string; sinks up to ~130 mA typical (400 mA pulsed). |+| 13 | IFB2 | input | Regulated current sink input for LED string 2. Connects to the cathode of the LED string. |+| 14 | IFB3 | input | Regulated current sink input for LED string 3. Connects to the cathode of the LED string. |+| 15 | IFB4 | input | Regulated current sink input for LED string 4. Connects to the cathode of the LED string. |+| 16 | IFB5 | input | Regulated current sink input for LED string 5. Connects to the cathode of the LED string. |+| 17 | IFB6 | input | Regulated current sink input for LED string 6. Connects to the cathode of the LED string. |+| 18 | AGND | power_in | Analog ground reference for internal circuitry. |+| 19 | OVP | input | Overvoltage protection detection input. Resistor divider from boost output to this pin programs the OVP threshold (V_OVPTH typ 3.02 V). |+| 20 | COMP | output | Loop compensation output for the boost converter. Connect an RC network from this pin to AGND for loop stability. |+| 21 | REF | output | Internal reference voltage output for the boost controller (0 to 3.1 V range). Capacitor to GND adjusts the soft-start time. In master/slave configurations connect the master's REF to the slave's COMP. |+| 22 | PGND | power_in | External MOSFET current-sense ground input (power ground return for the sense resistor). |+| 23 | ISNS | input | External MOSFET current-sense positive input. Overcurrent detection threshold V_ISNS(OC) typ 400 mV. |+| 24 | GDRV | output | External N-channel MOSFET gate driver output. Sourcing 200 mA / sinking 400 mA typical; absolute max −0.3 V to 7 V (−2 V to 9 V transient <10 ns). |+| 25 | VDD | power_out | Internal LDO regulator output for IC internal power supply (V_DD typ 6.0 V, 5.7 V min, 6.3 V max at 0-15 mA). Connect a 1.0 µF ceramic capacitor from this pin to GND. |+| 26 | FSW | input | Switching frequency setting pin. Resistor to GND sets f_SW between 100 kHz and 800 kHz. Driving above 3.5 V or below 0.5 V disables the internal clock and configures the device as a slave. |+| 27 | FAULT | output | Fault indicator, open-drain output. Goes high impedance when a fault condition is present; sinks 1-2 mA at low output; absolute max −0.3 V to VIN. |+| 28 | VIN | power_in | Power supply input pin. Operating range 8 V to 30 V; absolute max −0.3 V to 33 V. UVLO threshold ~6.5 V (falling) with 300 mV hysteresis. |+| 29 | PowerPAD | power_in | Exposed thermal pad on the underside of the HTSSOP-28 package. Connect to ground plane for heat dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-28-EP |+| Category | LED-drv |+| Pins | 29 |++## Ordering variants++Same part, different packaging or reel option.++- `TPS61196PWPR`++## CAD (KiCad official)++- Symbol: `TPS61196PWPR`+- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`+- 3D model: TSSOP-28-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps61196pwpr.pdf) (32 pp, sha256 `33bf7d0139c2be98`, retrieved 2026-08-17, tier: manufacturer)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps61196pwpr-datasheet.pdf)

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