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TPS53119RGTR

Texas Instruments · DC-DC Converters · VQFN-16-EP(3x3)

TPS53119RGTR from Texas Instruments, in a VQFN-16-EP(3x3). 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 TRIP input OCL detection threshold setting pin, with VOCL = VTRIP / 8 where VTRIP is up to 3 V and VOCL is limited to 375 mV.
2 EN input Enable pin; place a 1-kΩ resistor in series with this pin if the source voltage is higher than 5.5 V.
3 VFB input Output feedback input, connected to VOUT through a resistor divider.
4 RF input Switching frequency selection; a resistor to GND or VREG selects the frequency per Table 2, detected at start-up.
5 MODE input Soft-start and skip/CCM selection; a resistor selects the soft-start time per Table 1, detected at start-up.
6 VDD power_in Controller power supply input with an input range of 4.5 V to 25 V.
7 GND power_in Ground pin for the internal analog circuitry, to be connected to the GND plane at a single point.
8 PGND power_in Power ground, to be connected to the GND plane.
9 VREG power_out 6.2-V LDO output that supplies internal analog and driver circuitry.
10 VDRV input Gate drive supply voltage input, connected to VREG when the LDO output is used as the gate-drive supply; recommended range is -0.1 V to 6.5 V.
11 DRVL output Synchronous MOSFET driver output referenced to PGND, with gate drive voltage defined by VDRV.
12 SW power_out Output of converted power, connected to the output inductor; SW is rated -1 V to 28 V in recommended operating conditions.
13 DRVH output High-side MOSFET driver output referenced to the floating SW node, with gate drive voltage defined by the VBST-to-SW bootstrap capacitor.
14 VBST power_in Supply input for the high-side gate driver (boost terminal); connect a capacitor from this pin to SW, with 6.5 V recommended maximum relative to SW.
15 NC unconnected No connection.
16 PGOOD output Open-drain power-good flag that goes low 2 µs after VFB leaves its limits and releases after a 1-ms start-up delay.
17 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-16-EP(3x3)
Category Power Management (PMIC)
Pins 17

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage VBST VBST -0.3 35 V 4
Input voltage VBST (note 2) VBST -0.3 7 V Note 2: with respect to SW terminal 4
Input voltage VDD VDD -0.3 26 V 4
Input voltage SW DC SW -2 28 V DC 4
Input voltage SW pulse SW -7 V Pulse < 20 ns, E = 5 µJ 4
Input voltage VDRV, EN, TRIP, VFB, RF, MODE VDRV, EN, TRIP, VFB, RF, MODE -0.3 7 V 4
Output voltage DRVH DRVH -2 35 V 4
Output voltage DRVH (note 2) DRVH -0.3 7 V Note 2: with respect to SW terminal 4
Output voltage DRVL, VREG DRVL, VREG -0.5 7 V 4
Output voltage PGOOD PGOOD -0.3 7 V 4
Junction temperature TJ 150 °C 4
Storage temperature Tstg -55 150 °C 4
Input voltage VBST (recommended) VBST -0.1 34.5 V 4
Input voltage VDD (recommended) VDD 4.5 25 V 4
Input voltage SW (recommended) SW -1 28 V 4
Input voltage VBST (recommended, note 1) VBST -0.1 6.5 V Note 1: with respect to SW terminal 4
Input voltage EN, TRIP, VFB, RF, VDRV, MODE (recommended) EN, TRIP, VFB, RF, VDRV, MODE -0.1 6.5 V 4
Output voltage DRVH (recommended) DRVH -1 34.5 V 4
Output voltage DRVH (recommended, note 1) DRVH -0.1 6.5 V Note 1: with respect to SW terminal 4
Output voltage DRVL, VREG (recommended) DRVL, VREG -0.3 6.5 V 4
Output voltage PGOOD (recommended) PGOOD -0.1 6.5 V 4
Operating free-air temperature TA -20 85 °C 4
Junction-to-ambient thermal resistance RθJA 51.3 °C/W 5
Junction-to-case (bottom) thermal resistance RθJC(bot) 6 °C/W 5
VDD supply current IVDD 420 590 µA VDD current, TA = 25°C, no load, VEN = 5 V, VVFB = 0.630 V 5
VDD shutdown current IVDDSDN 10 µA VDD current, TA = 25°C, no load, VEN = 0 V 5
VFB regulation voltage VVFB 597 600 603 mV TA = 25°C 5
VFB regulation voltage VVFB 592 600 608 mV -20°C ≤ TA ≤ 85°C 5
DRVH resistance source RDRVH 1.5 3 Ω Source, IDRVH = -50 mA 5
DRVH resistance sink RDRVH 0.7 1.8 Ω Sink, IDRVH = 50 mA 5
DRVL resistance source RDRVL 1 2.2 Ω Source, IDRVL = -50 mA 5
DRVL resistance sink RDRVL 0.5 1.2 Ω Sink, IDRVL = 50 mA 5
Dead time DRVH-off to DRVL-on tDEAD 7 17 30 ns DRVH-off to DRVL-on 5
Dead time DRVL-off to DRVH-on tDEAD 10 22 35 ns DRVL-off to DRVH-on 5
LDO output voltage VVREG 5.76 6.2 6.67 V 0 mA ≤ IVREG ≤ 50 mA 5
LDO dropout voltage VDO 364 mV VVDD = 4.5 V, IVREG = 50 mA 5
Minimum off-time tOFF(min) 150 260 400 ns TA = 25°C 5
Minimum ON-time tON(min) 35 ns VIN = 17 V, VOUT = 0.6 V, RRF = 0 Ω to VREG, TA = 25°C 5
PG threshold, PG in from lower VTHPG 92.5 96 98.5 % PG in from lower 6
PG threshold, PG in from higher VTHPG 108 111 114 % PG in from higher 6
PG hysteresis 2.5 5 7.8 % PG hysteresis 6
PG transistor on-resistance RPG 15 30 50 Ω PG transistor on-resistance 6
PG delay after soft start tPG(del) 0.8 1 1.2 ms PG delay after soft start 6
EN voltage threshold enable VEN 1.8 V -20°C ≤ TA ≤ 85°C 6
EN voltage threshold disable VEN 0.5 V EN voltage threshold disable 6
EN input current IEN 1 µA VEN = 5 V 6
Switching frequency fSW 200 250 300 kHz RRF = 0 Ω to GND, TA = 25°C 6
Switching frequency fSW 250 300 350 kHz RRF = 187 kΩ to GND, TA = 25°C 6
Switching frequency fSW 350 400 450 kHz RRF = 619 kΩ to GND, TA = 25°C 6
Switching frequency fSW 450 500 550 kHz RRF = open, TA = 25°C 6
Switching frequency fSW 580 650 720 kHz RRF = 866 kΩ to VREG, TA = 25°C 6
Switching frequency fSW 670 750 820 kHz RRF = 309 kΩ to VREG, TA = 25°C 6
Switching frequency fSW 770 850 930 kHz RRF = 124 kΩ to VREG, TA = 25°C 6
Switching frequency fSW 880 970 1070 kHz RRF = 0 Ω to VREG, TA = 25°C 6
VO discharge current IDischg 5 13 mA VEN = 0 V, VSW = 0.5 V 6
TRIP source current ITRIP 9 10 11 µA VTRIP = 1 V, TA = 25°C 6
Current limit threshold setting range VTRIP 0.2 3 V VTRIP-GND voltage 6
Current limit threshold VOCL 355 375 395 mV VTRIP = 3 V 6
Negative current limit threshold VOCLN -406 -375 -355 mV VTRIP = 3 V 6

CAD (KiCad official)

  • Symbol: TPS53119RGTR
  • Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
  • 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: tps53119rgtr-etched.step / tps53119rgtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps53119rgtr.step / tps53119rgtr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 a0a13063ea225718, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF