ZHCSN56C January   2021  – December 2021 TPS61094

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 The Configuration of VCHG Pin, ICHG Pin, and OSEL Pin
        1. 7.1.1.1 OSEL: Output Voltage Selection
        2. 7.1.1.2 VCHG: Charging Termination Voltage Selection
        3. 7.1.1.3 ICHG: Charging Output Current Selection
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout
      2. 7.3.2 Enable and Soft Start
      3. 7.3.3 Active Pulldown for the EN and MODE Pins
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Output Short-to-Ground Protection
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation Mode Setting
      2. 7.4.2 Forced Bypass Mode Operation
      3. 7.4.3 True Shutdown Mode Operation
      4. 7.4.4 Forced Buck Mode Operation
      5. 7.4.5 Auto Buck or Boost Mode Operation
        1. 7.4.5.1 Three States (Boost_on, Buck_on, and Supplement) Transition
        2. 7.4.5.2 Boost, Bypass, and Pass-Through
        3. 7.4.5.3 PWM, PFM, and Snooze Modes in Boost Operation
          1. 7.4.5.3.1 PWM Mode
          2. 7.4.5.3.2 PFM Mode
          3. 7.4.5.3.3 Snooze Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application – 3.6-V Output Boost Converter with Bypass
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Programming the Output Voltage
        2. 8.2.2.2 Maximum Output Current
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 Output Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
      3. 8.2.3 Application Curves
      4. 8.2.4 Typical Application – 3.3-V Output Boost Converter with Automatic Buck or Boost Function
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Detailed Design Procedure
          1. 8.2.4.2.1 Programming the Voltage and Current
        3. 8.2.4.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

TJ = –40°C to 125°C, VIN = 2.0 V, VOUT = 3.6 V, and VSUP = 2.0 V, with an 2.2-μH inductor. Typical values are at TJ = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
VIN Input voltage range 0.7 5.5 V
VIN_UVLO Undervoltage lockout (UVLO) threshold at the VIN pin VIN rising, TJ up to 85 °C 1.7 1.8 V
VSUP_UVLO Undervoltage lockout (UVLO) threshold at the SUP pin VSUP rising 0.85 V
VSUP falling 0.6 0.7 V
IQ_BOOST Quiescent current into the VIN pin at Boost mode IC enabled, no load, no switching, VIN = 0.7 V to 5.5 V, VSUP = VIN, VOUT = VOUT_REG + 0.1 V, TJ up to 85°C 1 nA
Quiescent current into the VOUT pin at Boost mode IC enabled, no load, no switching, VOUT = 1.8 V to 5.4 V, TJ up to 85°C 60 300 nA
IQ_BUCK Quiescent current into the VIN pin at Buck mode IC enabled, no load, no switching, VIN = 1.8 V to 5.5 V, VSUP = VCHG_REG + 0.1 V, TJ up to 85°C 60 300 nA
Quiescent current into the SUP pin at Buck mode IC enabled, no load, no switching, VSUP = 1.7 V to 5.4 V, TJ up to 85°C 1 nA
IQ_BYPASS Quiescent current into the VIN pin at Forced bypass mode VEN = 0 V, VMODE = 0 V, no load, VIN = VSUP = 1.8 V to 5.5 V, TJ up to 85°C 2 50 nA
Quiescent current into the SUP pin at Forced bypass mode VEN = 0 V, VMODE = 0 V, no load, VIN = VSUP = 1.8 V to 5.5 V, TJ up to 85°C 2 50 nA
ISD Shutdown current into the VIN pin IC disabled, VIN = 1.8 V to 5.5 V, VOUT = 0 V, TJ up to 85°C 100 550 nA
Shutdown current into the SUP pin IC disabled, VSUP = 0.7 V to 5.5 V, VOUT = 0 V, TJ up to 85°C 100 250 nA
ILKG_SW_VOUT Leakage current into the SW pin (from SW pin to VOUT) VIN = 1.8 V, VSW = VSUP= 1.8 V to 5.5 V, VOUT = 0 V, no switching, TJ = 25°C 1 40 nA
VIN = 1.8 V, VSW = VSUP= 1.8 V to 5.5 V, VOUT = 0 V, no switching, TJ up to 85 °C 1 250 nA
ILKG_SW_GND Leakage current into the SW pin (from SW pin to GND) VIN = 1.8 V, VSW = VSUP= 1.8 V to 5.5 V, VOUT = VSW, no switching, TJ = 25 °C 1 20 nA
VIN = 1.8 V, VSW = VSUP = 1.8 V to 5.5 V, VOUT = VSW, no switching, TJ up to 85°C 1 220 nA
BOOST OUTPUT
VOUT Output voltage setting range 16 options 2.7 5.4 V
VOUT_UVLO Undervoltage lockout (UVLO) threshold at the VOUT pin VOUT rising 1.6 1.7 1.8 V
VOUT falling 1.5 1.6 1.7 V
VOUT_PWM_ACY Output voltage accuracy in Boost mode VIN = 1.8 V, PWM mode –2% 0% 2%
VOUT_PFM_ACY VIN = 1.8 V, PFM mode VOUT_PWM_ACY + 1%
VOUT_SNOOZE_ACY VIN = 1.8 V, Snooze mode VOUT_PWM_ACY + 1.5%
ISHORT Output short circuit current 190 300 500 mA
BUCK OUTPUT
VSUP Charge voltage range 16 options 1.7 5.4 V
VSUP_ACY Charge termination voltage accuracy in Buck mode –2% 0% 2%
VSUP_HYS Charge termination voltage hysteresis in Buck mode 50 75 100 mV
ICHG_SET Programmable charging current options 15 options; IC enabled, no load, VIN = 5 V, VSUP = 0.8 V to 4 V, TJ up to 85°C 2.5 600 mA
ICHG_ACY ICHG setting charging current accuracy ICHG = 2.5 mA or 5 mA; VIN = 5 V, VSUP = 0.8 V to 4 V –2 0 2 mA
ICHG ≥ 10 mA; VIN = 5 V, VSUP = 0.8 V to 4 V –20% 0% 20%
ICHG_TERM Terminate charging current at ICHG ≥ 10 mA IC enabled, no load, VIN = 1.8 V to 5.5 V, ICHG ≥ 10 mA, VSUP > VCHG – 50 mV, TJ up to 85°C 10 mA
Terminate charging current at ICHG < 10 mA IC enabled, no load, VIN = 1.8 V to 5.5 V, ICHG = 2.5 mA or 5 mA, VSUP > VCHG – 50 mV, TJ up to 85°C 2.5 mA
POWER SWITCH
RDS(on)_HS High-side FET on resistance VOUT = 5.0 V 150 mΩ
VOUT = 3.6 V 180 mΩ
RDS(on)_LS Low-side FET on resistance VOUT = 5.0 V 60 mΩ
VOUT = 3.6 V 70 mΩ
RDS(on)_BYP Bypass FET on resistance VOUT = 5.0 V 120 mΩ
VOUT = 3.6 V 150 mΩ
CURRENT LIMIT
ISW_LIM High side switch valley current limit in Boost mode 1.7 2 2.6 A
High side switch peak current limit in Buck mode 2.5 A
IPEAK Inductor peak current at PFM ICHG = 2.5 mA or 5 mA, VSUP > 0.8 V 250 mA
10 mA ≤ ICHG ≤ 250 mA, VSUP > 0.8 V 500 mA
ISS Pre-charge current at soft start VIN = 1.8 V to 5.5 V, VOUT  < 0.4 V 300 mA
VIN = 3.6 V, VOUT = 1.8 V 500 mA
SWITCHING FREQUENCY
fSW_BOOST Switching frequency at Boost mode VIN = VSUP  = 3.6 V, VOUT = 5.0 V, PWM mode 1 MHz
VIN = VSUP = 1 V, VOUT = 5.0 V, PWM mode 0.5 MHz
tOFF_MIN_BOOST Minimum off time at Boost mode VOUT = 5.0 V 80 140 ns
fSW_BUCK Switching frequency at Buck mode VSUP = 3.6 V, VIN = VOUT = 5.0 V, PWM mode 1 MHz
VOLTAGE MONITORING
VBYPASS Enter Bypass mode when VIN ≥ VOUT_TARGET + VBY_PASS 50 100 150 mV
VBYPASS_HYS Hysteresis of VBYPASS 50 mV
VPASS_THROUGH Enter Pass-through mode when VSUP ≥ VOUT + VPASS_THROUGH –30 mV
Exit Pass-through mode when VSUP < VOUT_TARGET + VPASS_THROUGH –100 mV
LOGIC INTERFACE
VEN_H EN logic high threshold VOUT > 1.8 V 0.58 V
VOUT < 1.8 V 1.0 V
VEN_L EN logic low threshold VOUT > 1.8 V 0.2 V
VOUT < 1.8 V 0.45 V
IEN_LKG Leakage current into the EN pin VEN = 1.2 V, TJ up to 85°C 1 nA
REN EN pin pulldown resistor VEN = 0 V, TJ up to 85°C 800 kΩ
VMODE_H MODE logic high threshold VOUT > 1.8 V 0.58 V
VOUT < 1.8 V 1.0 V
VMODE_L MODE logic low threshold VOUT > 1.8 V 0.2 V
VOUT < 1.8 V 0.45 V
IMODE_LKG Leakage current into MODE pin VMODE = 1.2 V, TJ up to 85°C 1 nA
RMODE MODE pin pulldown resistor VMODE = 0 V, TJ up to 85°C 800 kΩ
PROTECTION
TSD Thermal shutdown Junction temperature rising 150 °C
TSD_HYS Thermal shutdown hysteresis Junction temperature falling below TSD 20 °C
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