TPS61178RNWT
The TPS61178RNWT is an electronic component from Texas Instruments. View the full TPS61178RNWT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Integrated CircuitsKey Specifications
| Parameter | Value |
|---|---|
| Packaging | MouseReel |
| Standard Pack Qty | 250 |
Overview
Part: TPS61178x — Texas Instruments
Type: Synchronous Boost Converter
Description: A 2.7–20 V input, 4.5–20 V output synchronous boost converter with up to 10 A programmable switch peak current, integrating two 16-mΩ FETs, and achieving up to 96% efficiency.
Operating Conditions:
- Supply voltage: 2.7–20 V
- Operating temperature: -40 to 125 °C
- Output voltage: 4.5–20 V
- Effective inductance range: 0.47–3.3 μH
Absolute Maximum Ratings:
- Max supply voltage: 23 V (VIN, SW, VOUT)
- Max junction temperature: 150 °C
- Max storage temperature: 150 °C
Key Specs:
- Input voltage range: 2.7–20 V
- Output voltage range: 4.5–20 V
- High-side MOSFET on resistance: 16 mΩ (typ, VCC = 6 V)
- Low-side MOSFET on resistance: 16 mΩ (typ, VCC = 6 V)
- TPS61178 switch peak current limit: 8 A (typ, RLIMIT = 80.6 kΩ)
- Output over-voltage protection threshold: 21 V (typ, VIN = 8 V, VOUT rising)
- Quiescent current into VIN pin (IC enabled, no load, no ext. FET, VIN = 6 V, VOUT = 20 V, VFB = 1.3 V, TJ up to 85 °C): 1.5 μA (typ)
- Shutdown current into VIN pin (IC disabled, VIN = 6 V, -40 °C ≤ TJ ≤ 85 °C): 1 μA (typ)
Features:
- Programmable Switch Peak Current: up to 10 A
- Two 16-mΩ FETs Integrated
- Efficiency up to 96%
- 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)
Applications:
- Portable Speaker
- Source Driver of LCD Display
- Supply for the Power Amplifier
- Supply for the Motor Driver
- USB Type-C Power Delivery
Package:
- QFN (13) 3.00 mm × 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-m Ω 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
- Source Driver of LCD Display
- Supply for the Power Amplifier
- Supply for the Motor Driver
- USB Type-C Power Delivery
Pin Configuration
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 k Ω . Typical values are at T J = 25°C, (unless otherwise noted)
| MIN | TYP | MAX | UNIT | |||
|---|---|---|---|---|---|---|
| POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY | POWER SUPPLY |
| V IN | Input voltage range | 2.7 | 20 | V | ||
| Input voltage under voltage lockout | V IN rising | 2.6 | 2.7 | V | ||
| V IN_UVLO | (UVLO) threshold | V IN falling | 2.2 | 2.3 | ||
| V IN_HYS | VIN UVLO hysteresis | 400 | mV | |||
| V CC | VCC regulation voltage | ICC = 5mA, VIN = 8V | 6 | V | ||
| V CC_UVLO | VCC UVLO threshold | VCC falling | 2.1 | V | ||
| I Q (TPS61178) | Quiescent current into V IN pin | IC enabled, no load, no ext. FET V IN = 6 V, V OUT = 20 V, V FB = 1.3 V, T J up to 85 ⁰ C | 1.5 | 3 | μA | |
| I Q (TPS61178) | Quiescent current into V IN pin | IC enabled, no load, no ext. FET V IN = 20 V, V OUT = 20 V, V FB = 1.3 V,T J up to 85 ⁰ C | 270 | 320 | μA | |
| I Q (TPS61178) | Quiescent current into V OUT pin | IC enabled, no load, no ext. FET V IN = 6 V, V FB = 1.3 V, V OUT = 20 V, T J up to 85 ⁰ C | 250 | 300 | μA | |
| Quiescent current into V OUT pin | IC enabled, no load, no ext. FET V IN = 20 V, V OUT = 20 V, V FB = 1.3 V, T J up to 85 ⁰ C | 5 | 12 | μA | ||
| IC disabled, V IN = 6 V, -40 °C ≤ T J ≤ 85°C | 1 | 3.5 | μA | |||
| I SD | Shutdown current into V IN pin | IC disabled, VIN = 20 V, -40 °C ≤ T J ≤ 85°C | 3 | 6 | μA | |
| I LS_LKG | Reverse leakage current into SW | IC disabled, VIN = V OUT = SW = 20 V -40 °C ≤ T ≤ 85°C | 0.1 | 6.5 | μA | |
| OUTPUT VOLTAGE | OUTPUT VOLTAGE | OUTPUT VOLTAGE | OUTPUT VOLTAGE | OUTPUT VOLTAGE | OUTPUT VOLTAGE | OUTPUT VOLTAGE |
| V OUT | Output voltage range | Freq = 500kHz | 4.5 | 20 | V | |
| V OVP | Output over-voltage protection threshold | V IN = 8 V, V OUT rising | 20.5 | 21 | 21.5 | V |
| POWER SWITCHES | POWER SWITCHES | POWER SWITCHES | POWER SWITCHES | POWER SWITCHES | POWER SWITCHES | POWER SWITCHES |
| R DS(on) | High-side MOSFET on resistance | V CC = 6 V | 16 | 25 | m Ω | |
| Low-side MOSFET on resistance | V CC = 6 V | 16 | 25 | m Ω | ||
| Gm | Power stage trans-conductance (peak current ratio with comp voltage) | V CC = 6 V | 12 | A/V | ||
| CURRENT LIMIT | CURRENT LIMIT | CURRENT LIMIT | CURRENT LIMIT | CURRENT LIMIT | CURRENT LIMIT | CURRENT LIMIT |
| I LIM_SW | TPS61178 | R LIMIT = 80.6 k Ω | 6.4 | 8 | 9.4 | A |
| I LIM_SW | TPS611781 | R LIMIT = 80.6 k Ω | 5.7 | 7.4 | 8.7 | A |
| I LIM_SHORT | TPS61178 short current limit | 20 | A | |||
| VOLTAGE REFERNCE | VOLTAGE REFERNCE | VOLTAGE REFERNCE | VOLTAGE REFERNCE | VOLTAGE REFERNCE | VOLTAGE REFERNCE | VOLTAGE REFERNCE |
| PWM mode | 1.180 | 1.198 | 1.210 | V | ||
| V REF | Reference Voltage at FB pin | PFM mode | 101% | V REF | ||
| I FB_LKG | Leakage current into FB pin | 10 | 60 | nA | ||
| EN / SYNC LOGIC | EN / SYNC LOGIC | EN / SYNC LOGIC | EN / SYNC LOGIC | EN / SYNC LOGIC | EN / SYNC LOGIC | EN / SYNC LOGIC |
| V EN_H | EN Logic high threshold | 1.2 | V | |||
| V EN_L | EN Logic Low threshold | 0.4 | V |
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| Voltage range at terminals (2) | BST | -0.3 | SW + 7 | V |
| Voltage range at terminals (2) | VIN, SW, VOUT, DISCRG, EN | -0.3 | 23 | V |
| VCC, FB, COMP, FREQ / SYNC, ILIMIT | -0.3 | 7 | V | |
| T J | Operating junction temperature | -40 | 150 | °C |
| T stg | Storage temperature | -65 | 150 | °C |
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V IN | Input voltage | 2.7 | 20 | V | |
| V OUT | Outputvoltage | 4.5 | 20 | V | |
| L | Effective inductance range | 0.47 | 3.3 | μH | |
| R FB | Feedback resistance (low side) | 200 | k Ω | ||
| T J | Operating junction temperature | -40 | 125 | °C |
Thermal Information
| THERMAL METRIC | (1) | TPS61178 RNR (QFN Package) 12 PINS | UNIT |
|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 60.2 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 28.6 | °C/W |
| R θ JB | Junction-to-board thermal resistance | 14.5 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 0.4 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 14.5 | °C/W |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | 0.9 | °C/W |
Typical Application
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| TPS61178 | Texas Instruments | VQFN-13 |
| TPS611781 | Texas Instruments | — |
| TPS611781RNWR | Texas Instruments | — |
| TPS611781RNWR.A | Texas Instruments | — |
| TPS611781RNWT | Texas Instruments | — |
| TPS611781RNWT.A | Texas Instruments | — |
| TPS61178RNWR | Texas Instruments | 13-PowerVFQFN |
| TPS61178RNWR.A | Texas Instruments | — |
| TPS61178RNWT.A | Texas Instruments | — |
| TPS61178X | Texas Instruments | — |
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