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LTC3588-1 and LTC3588-2 Piezoelectric Energy Harvesting Power Supplies
Analog Devices' complete energy harvesting solution optimized for high output impedance energy sources
Analog Devices' LTC3588-1 and LTC3588-2 integrate a low-loss full-wave bridge rectifier with a high efficiency buck converter to form a complete energy harvesting solution optimized for high output impedance energy sources such as piezoelectric transducers. With the LTC3588-1, an ultralow quiescent current undervoltage lockout (UVLO) mode with a wide hysteresis window allows charge to accumulate on an input capacitor until the buck converter can efficiently transfer a portion of the stored charge to the output. In regulation, the LTC3588-1 enters a sleep state in which both input and output quiescent currents are minimal. The buck converter turns on and off as needed to maintain regulation. With the LTC3588-2, an ultralow quiescent current undervoltage lockout (UVLO) mode with a 16 V rising threshold enables efficient energy extraction from piezoelectric transducers with high open circuit voltages. This energy is transferred from the input capacitor to the output via a high efficiency synchronous buck regulator. The 16 V UVLO threshold also allows for input to output current multiplication through the buck regulator. The buck features a sleep state that minimizes both input and output quiescent currents while in regulation.
- 950 nA input quiescent current (output in regulation - no load)
- 450 nA input quiescent current in UVLO
- 2.7 V to 20 V input operating range
- Integrated low-loss full-wave bridge rectifier
- Up to 100 mA of output current
- Selectable output voltages of: 1.8 V, 2.5 V, 3.3 V, 3.6 V
- Piezoelectric energy harvesting
- Electro-mechanical energy harvesting
- Wireless HVAC sensors
- Mobile asset tracking
- Tire pressure sensors
- Battery replacement for industrial sensors
- Remote light switches
- Standalone nanopower buck regulator
- 1500 nA input quiescent current (output in regulation - no load, VIN = 18 V)
- 830 nA input quiescent current in UVLO, VIN = 12 V
- 14 V to 20 V input operating range
- Integrated low-loss full-wave bridge rectifier
- 16 V UVLO improves power utilization from high voltage current limited inputs
- Up to 100 mA of output current
- Piezoelectric energy harvesting
- Electro-mechanical energy harvesting
- Low power battery charging
- Wireless HVAC sensors
- Mobile asset tracking
- Tire pressure sensors
- Battery replacement for industrial sensors
LTC3588-2 Piezoelectric Energy Harvesting Power Supplies
| 图片 | 制造商零件编号 | 描述 | 可供货数量 | 价格 | ||
|---|---|---|---|---|---|---|
 |  | LTC3588EMSE-2#PBF | IC ENERGY HARVESTING PSU 10MSOP | 107 - 立即发货 | $69.86 | 查看详情 |
|  | LTC3588EDD-2#PBF | IC ENERGY HARVESTING PSU 10DFN | 272 - 立即发货 | $69.86 | 查看详情 |
