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Экологический статус

Статьи

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  Designing a Solar Cell Battery Charger &mdash LT Journal
  PDF, 306 Кб, Файл опубликован: 1 дек 2009
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  L DESIGN FEATURES Designing a Solar Cell Battery Charger
  by Jim Drew LT3652 Input Voltage
  Regulation Loop The input voltage regulation loop of the
  LT3652 acts over a specific input voltage range. When VIN, as measured via a
  resistor divider at the VIN_REG pin, falls
  12 2.4 24 2.2 IPANEL (A) 22 1000W/m2 2 20 1.8 18 1.6 16 1.4 14 1.2 12 1 10 0.8 8 0.6 6 0.4 4 0.2
  0 100W/m
  0 2 4 2 2 6
  8
  10
  VPANEL (V) 12 14 16 0 Figure 1. A solar cell produces current in proportion to the amount of sunlight falling on it, while
  the cell’s open-circuit voltage remains relatively constant. Maximum power output occurs at
  the knee of each curve, where the cell transitions from a constant voltage device to a constant
  current device, as shown by the power curves. below a certain set point, the charge
  current is reduced. The charging current is adjusted via a control voltage
  across a current sensing resistor in
  series with the inductor of the buck
  regulator charging circuit. Decreased
  illumination (and/or increased charge
  current demands) can both cause the
  input voltage (panel voltage) to fall,
  pushing the panel away from its point
  of maximum power output. With the …

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Классификация производителя

• Power Management > Energy Harvesting
• Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers

Варианты написания:

LT3652HVIMSEPBF, LT3652HVIMSE PBF