TPS61178RNWR
The TPS61178RNWR is an electronic component from Texas Instruments. View the full TPS61178RNWR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 10A (Switch) |
| Switching Frequency | 200kHz ~ 2.2MHz |
| Function | Step-Up |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 13-PowerVFQFN |
| Supplier Device Package | 13-VQFN-HR (3x3.5) |
| Supplier Device Package | 13-VQFN-HR (3x3.5) |
| Synchronous Rectifier | Yes |
| Topology | Boost |
| Input Voltage (Max) | 20V |
| Input Voltage (Min) | 2.7V |
| Output Voltage (Max) | 20V |
| Output Voltage | 4.5V |
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.A | Texas Instruments | — |
| TPS61178RNWT | Texas Instruments | — |
| TPS61178RNWT.A | Texas Instruments | — |
| TPS61178X | Texas Instruments | — |
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