TPS61178RNWR

[TPS61178](http://www.ti.com/product/tps61178?qgpn=tps61178)

Manufacturer

Texas Instruments

Category

Integrated Circuits (ICs)

Package

13-PowerVFQFN

Lifecycle

Active

Overview

Part: TPS61178 from Texas Instruments

Type: Synchronous Boost Converter

Key Specs:

  • Input Voltage Range: 2.7 V to 20 V
  • Output Voltage Range: 4.5 V to 20 V
  • Programmable Switch Peak Current: up to 10 A
  • Integrated FETs: Two 16-mΩ
  • Efficiency: up to 96% (VIN = 7.2 V, VOUT = 16 V, IOUT = 2 A)
  • Adjustable Switching Frequency: up to 2.2 MHz
  • External Clock Synchronization: 200 kHz to 2.2 MHz

Features:

  • Gate Driver for Load Disconnect
  • Hiccup Short Protection
  • Over Voltage Protection
  • Auto PFM Operation (TPS61178)
  • Forced PWM Mode (TPS611781)

Applications:

  • Portable Speaker
  • Source Driver of LCD Display
  • Supply for the Power Amplifier
  • Supply for the Motor Driver
  • USB Type-C Power Delivery

Package:

  • VQFN Hotrod Package: 3.0-mm x 3.5-mm 13-pin
  • QFN (13): 3.00 mm x 3.5 mm

Features

  • 1 Input Voltage Range: 2.7 V to 20 V
  • Output Voltage Range: 4.5 V to 20 V
  • Programmable Switch Peak Current: up to 10 A
  • Two 16-mΩ FETs Integrated
  • Efficiency up to 96%: VIN = 7.2 V, VOUT = 16 V, IOUT = 2 A
  • Adjustable Switching Frequency: up to 2.2 MHz
  • External Clock Synchronization: 200 kHz to 2.2 MHz
  • Gate Driver for Load Disconnect
  • Hiccup Short Protection
  • Over Voltage Protection
  • Auto PFM Operation TPS61178
  • Forced PWM Mode TPS611781
  • 3.0-mm x 3.5-mm 13-pin VQFN Hotrod Package
  • Create a Custom Design Using the TPS61178 With the WEBENCH® Power Designer

Applications

• Portable Speaker

1

  • Source Driver of LCD Display
  • Supply for the Power Amplifier
  • Supply for the Motor Driver
  • USB Type-C Power Delivery

Pin Configuration

Pin Functions

  • NAME
  • FREQ / SYNC
  • AGND
  • ILIMIT
  • COMP
  • FB
  • PGND
  • SW
  • VOUT
  • DISDRV
  • VCC
  • EN
  • VIN
  • BST

Electrical Characteristics

over operating free-air temperature range, VIN = 2.7 V to 14 V and VOUT = 16 V, VCC = 6 V, RLIMIT = 80.6 kΩ. Typical values are at TJ = 25°C, (unless otherwise noted)

MINTYPMAXUNIT
POWER SUPPLY
VINInput voltage range2.720V
Input voltage under voltage lockoutVIN rising2.62.7V
VIN_UVLO(UVLO) thresholdVIN falling2.22.3V
VIN_HYSVIN UVLO hysteresis400mV
VCCVCC regulation voltageICC = 5mA, VIN = 8V6V
VCC_UVLOVCC UVLO thresholdVCC falling2.1V
Quiescent current into VIN pinIC enabled, no load, no ext. FET
VIN = 6 V, VOUT = 20 V, VFB = 1.3
V, TJ up to 85 ⁰C		1.53μA
IQQuiescent current into VIN pinIC enabled, no load, no ext. FET
VIN = 20 V, VOUT = 20 V, VFB = 1.3
V,TJ up to 85 ⁰C		270320μA
(TPS61178)Quiescent current into VOUT pinIC enabled, no load, no ext. FET
VIN = 6 V, VFB = 1.3 V, VOUT = 20 V,
TJ up to 85 ⁰C		250300μA
Quiescent current into VOUT pinIC enabled, no load, no ext. FET
VIN = 20 V, VOUT = 20 V, VFB = 1.3
V, TJ up to 85 ⁰C		512μA
IC disabled, VIN = 6 V,
–40 °C ≤ TJ ≤ 85°C		13.5μA
ISDShutdown current into VIN pinIC disabled, VIN = 20 V,
–40 °C ≤ TJ ≤ 85°C		36μA
ILS_LKGReverse leakage current into SWIC disabled, VIN = VOUT = SW = 20
V
–40 °C ≤ TJ ≤ 85°C		0.16.5μA
OUTPUT
VOLTAGE
VOUTOutput voltage rangeFreq = 500kHz4.520V
VOVPOutput over-voltage protection
threshold		VIN = 8 V, VOUT rising20.52121.5V
POWER
SWITCHES
RDS(on)High-side MOSFET on resistanceVCC = 6 V1625mΩ
Low-side MOSFET on resistanceVCC = 6 V1625mΩ
GmPower stage trans-conductance
(peak current ratio with comp
voltage)		VCC = 6 V12A/V
CURRENT
LIMIT
ILIM_SWTPS61178RLIMIT = 80.6 kΩ6.489.4A
ILIM_SWTPS611781RLIMIT = 80.6 kΩ5.77.48.7A
ILIM_SHORTTPS61178 short current limit20A
VOLTAGE
REFERNCE
VREFReference Voltage at FB pinPWM mode1.1801.1981.210V
PFM mode101%VREF
IFB_LKGLeakage current into FB pin1060nA
EN / SYNC LOGIC
VEN_HEN Logic high threshold1.2V
VEN_LEN Logic Low threshold0.4V

Copyright © 2017–2019, Texas Instruments Incorporated Submit Documentation Feedback

Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)

MINMAXUNIT
BST–0.3SW + 7V
Voltage range at terminals (2)VIN, SW, VOUT, DISCRG, EN–0.323V
VCC, FB, COMP, FREQ / SYNC, ILIMIT–0.37V
TJOperating junction temperature–40150°C
TstgStorage temperature–65150°C

(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2) All voltage values are with respect to network ground terminal.

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

MINNOMMAXUNIT
VINInput voltage2.720V
VOUTOutputvoltage4.520V
LEffective inductance range0.473.3μH
RFBFeedback resistance (low side)200kΩ
TJOperating junction temperature–40125°C

Thermal Information

THERMAL METRIC(1)TPS61178UNIT
RNR (QFN Package)
12 PINS
RθJAJunction-to-ambient thermal resistance60.2°C/W
RθJC(top)Junction-to-case (top) thermal resistance28.6°C/W
RθJBJunction-to-board thermal resistance14.5°C/W
ψJTJunction-to-top characterization parameter0.4°C/W
ψJBJunction-to-board characterization parameter14.5°C/W
RθJC(bot)Junction-to-case (bottom) thermal resistance0.9°C/W

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
TPS61178Texas Instruments—
TPS611781Texas Instruments—
TPS611781RNWRTexas Instruments—
TPS611781RNWR.ATexas Instruments—
TPS611781RNWTTexas Instruments—
TPS611781RNWT.ATexas Instruments—
TPS61178RNWR.ATexas Instruments—
TPS61178RNWTTexas Instruments—
TPS61178RNWT.ATexas Instruments—
TPS61178XTexas Instruments—
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