本帖最后由 lm12041204a 于 2019-11-18 16:12 编辑
TPS61022
8-A Boost converter with 0.5-V ultra-low input voltage
• Input voltage range: 0.5 V to 5.5 V
• 1.8-V Minimum input voltage for start-up
• Output voltage setting range: 2.2 V to 5.5 V
• Two 12-mΩ (LS) / 18-mΩ (HS) MOSFETs
• 8-A Valley switching current limit
• 94.7% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 3 A
TPS61021A
3-A Boost Converter with 0.5-V Ultra Low Input Voltage
• Input Voltage Range: 0.5 V to 4.4 V
• 0.9 V Minimum Input Voltage for Startup
• Output Voltage Setting Range: 1.8 V to 4.0 V
• 91% Efficiency at VIN = 2.4 V, VOUT = 3.3 V and IOUT = 1.5 A
• 2.0-MHz Switching Frequency
• IOUT > 1.5 A at VOUT = 3.3 V when VIN > 1.8 V
• 17-µA Typical Quiescent Current
TPS61023
3.7-A Boost Converter with 0.5-V Ultra-low Input Voltage
• Input voltage range: 0.5 V to 5.5 V
• 1.8-V Minimum input voltage for start-up
• Output voltage setting range: 2.2 V to 5.5 V
• Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs
• 3.7-A Valley switching current limit
• 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT= 1.5 A
• 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V
这个TPS61023,新电池估计能启动。
本帖最后由 lm12041204a 于 2019-11-18 16:12 编辑
TPS61022
8-A Boost converter with 0.5-V ultra-low input voltage
• Input voltage range: 0.5 V to 5.5 V
• 1.8-V Minimum input voltage for start-up
• Output voltage setting range: 2.2 V to 5.5 V
• Two 12-mΩ (LS) / 18-mΩ (HS) MOSFETs
• 8-A Valley switching current limit
• 94.7% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 3 A
TPS61021A
3-A Boost Converter with 0.5-V Ultra Low Input Voltage
• Input Voltage Range: 0.5 V to 4.4 V
• 0.9 V Minimum Input Voltage for Startup
• Output Voltage Setting Range: 1.8 V to 4.0 V
• 91% Efficiency at VIN = 2.4 V, VOUT = 3.3 V and IOUT = 1.5 A
• 2.0-MHz Switching Frequency
• IOUT > 1.5 A at VOUT = 3.3 V when VIN > 1.8 V
• 17-µA Typical Quiescent Current
TPS61023
3.7-A Boost Converter with 0.5-V Ultra-low Input Voltage
• Input voltage range: 0.5 V to 5.5 V
• 1.8-V Minimum input voltage for start-up
• Output voltage setting range: 2.2 V to 5.5 V
• Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs
• 3.7-A Valley switching current limit
• 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT= 1.5 A
• 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V
这个TPS61023,新电池估计能启动。
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