Datasheet LTM8062, LTM8062A (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 32VIN, 2A μModule (Power Module) Power Tracking Battery Charger |
| Páginas / Página | 24 / 1 — FeaTures. DescripTion. Complete Battery Charger System. Input Supply … |
| Formato / tamaño de archivo | PDF / 718 Kb |
| Idioma del documento | Inglés |
FeaTures. DescripTion. Complete Battery Charger System. Input Supply Voltage Regulation Loop for Peak
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LTM8062/LTM8062A 32VIN, 2A µModule Power Tracking Battery Chargers
FeaTures DescripTion
n
Complete Battery Charger System
The LTM®8062/LTM8062A are complete 32VIN, 2A n
Input Supply Voltage Regulation Loop for Peak
µModule® power tracking battery chargers. The LTM8062/
Power Tracking in MPPT (Maximum Peak Power
LTM8062A provide a constant-current/constant-voltage
Tracking) Solar Applications
charge characteristic, a 2A maximum charge current, and n
Resistor Programmable Float Voltage Up to 14.4V
employ a 3.3V float voltage feedback reference, so any
on the LTM8062 and 18.8V on the LTM8062A
desired battery float voltage up to 14.4V for the LTM8062 n
Wide Input Voltage Range: 4.95V to 32V
and up to 18.8V for the LTM8062A can be programmed
(40V Abs Max)
with a resistor divider. n
2A Charge Current
The LTM8062/LTM8062A employ an input voltage regula- n
Accommodates Li-Ion/Polymer, LiFePO4, SLA
tion loop, which reduces charge current if the input volt- n
Integrated Input Reverse Voltage Protection
age falls below a programmed level, set with a resistor n
User Selectable Termination: C/10 or Termination
divider. When the LTM8062/LTM8062A are powered by a
Timer
solar panel, this input regulation loop is used to maintain n 0.75% Float Voltage Reference Accuracy the panel at peak output power. The LTM8062/LTM8062A n 9mm × 15mm × 4.32mm LGA Package also feature preconditioning trickle charge, bad battery detection, a choice of termination schemes and automatic
applicaTions
restart. n The LTM8062/LTM8062A are packaged in a thermally en- Industrial Handheld Instruments n hanced, compact (9mm 12V to 24V Automotive and Heavy Equipment × 15mm × 4.32mm) over-molded n land grid array (LGA) package suitable for automated Desktop Cradle Chargers n assembly by standard surface mount equipment. The Solar Power Battery Charging LTM8062/LTM8062A are RoHS compliant. L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
Typical applicaTion 2A LiFePO4 µModule Battery Charger Charge Current vs Battery Voltage
2500 LTM8062 VIN VINA 6V TO 32V BAT NORMAL CHARGING 2000 VIN BIAS VINREG CHRG 274k 1500 RUN FAULT 1-CELL 4.7µF LiFePO4 TMR ADJ (3.6V) 1000 NTC 2.87M GND CHARGING CURRENT (mA) 500 8062 TA01a PRECONDITION TERMINATION 0 0 1 2 3 4 BATTERY VOLTAGE (V) 8062 TA01b 8062fd For more information www.linear.com/LTM8062 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Application Related Parts
FeaTures DescripTion
n
Complete Battery Charger System
The LTM®8062/LTM8062A are complete 32VIN, 2A n
Input Supply Voltage Regulation Loop for Peak
µModule® power tracking battery chargers. The LTM8062/
Power Tracking in MPPT (Maximum Peak Power
LTM8062A provide a constant-current/constant-voltage
Tracking) Solar Applications
charge characteristic, a 2A maximum charge current, and n
Resistor Programmable Float Voltage Up to 14.4V
employ a 3.3V float voltage feedback reference, so any
on the LTM8062 and 18.8V on the LTM8062A
desired battery float voltage up to 14.4V for the LTM8062 n
Wide Input Voltage Range: 4.95V to 32V
and up to 18.8V for the LTM8062A can be programmed
(40V Abs Max)
with a resistor divider. n
2A Charge Current
The LTM8062/LTM8062A employ an input voltage regula- n
Accommodates Li-Ion/Polymer, LiFePO4, SLA
tion loop, which reduces charge current if the input volt- n
Integrated Input Reverse Voltage Protection
age falls below a programmed level, set with a resistor n
User Selectable Termination: C/10 or Termination
divider. When the LTM8062/LTM8062A are powered by a
Timer
solar panel, this input regulation loop is used to maintain n 0.75% Float Voltage Reference Accuracy the panel at peak output power. The LTM8062/LTM8062A n 9mm × 15mm × 4.32mm LGA Package also feature preconditioning trickle charge, bad battery detection, a choice of termination schemes and automatic
applicaTions
restart. n The LTM8062/LTM8062A are packaged in a thermally en- Industrial Handheld Instruments n hanced, compact (9mm 12V to 24V Automotive and Heavy Equipment × 15mm × 4.32mm) over-molded n land grid array (LGA) package suitable for automated Desktop Cradle Chargers n assembly by standard surface mount equipment. The Solar Power Battery Charging LTM8062/LTM8062A are RoHS compliant. L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
Typical applicaTion 2A LiFePO4 µModule Battery Charger Charge Current vs Battery Voltage
2500 LTM8062 VIN VINA 6V TO 32V BAT NORMAL CHARGING 2000 VIN BIAS VINREG CHRG 274k 1500 RUN FAULT 1-CELL 4.7µF LiFePO4 TMR ADJ (3.6V) 1000 NTC 2.87M GND CHARGING CURRENT (mA) 500 8062 TA01a PRECONDITION TERMINATION 0 0 1 2 3 4 BATTERY VOLTAGE (V) 8062 TA01b 8062fd For more information www.linear.com/LTM8062 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Application Related Parts