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Maxim > Solutions > MP3 Docking Stations: Entry Level

Power Management

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 1.5A Dual-Input, USB/AC Adapter Charger and Smart Power Selector
MAX8677A

Optimized Smart Power control maximizes charger rate from USB/AC-adapter power while supporting system load
QV  PDF Loose Cell NiMH Chargers
DS2711, DS2712

NiMH Battery Charger Detects and Avoids Charging Alkaline Cells
QV  PDF Low-Input-Voltage, 500mA LDO Regulator with Active-Low RESET in SOT and TDFN
MAX1589

500mA LDO Operates with 1.62V (min) Input Voltage
QV  PDF Low-Noise, 14V Input, 1A, PWM Step-Down Converters
MAX1684, MAX1685

14V Input, 1A Step-Down DC-DC Converter Offers Up to 96% Efficiency



Key Specifications:  Battery Chargers
Part Number Cell Chemistry NiMH/ NiCd Cells Lithium Ion Cells Protected VIN
(V)
Charging VIN
(V)
Charge Rate Set by Max. ICHG
(A)
Charge Termination Charge Regulation Features EV Kit Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max max max w/pins
MAX8677A 
Li-Ion
Li-Polymer
- 1 16 6.6
Logic Input
Resistor
1.5 Min. Charge Current Linear
Dual USB/Adapter Input
Internal FET/Transistor
Smart Power Selector
Stand Alone
Thermal Die Regulation
Thermistor Input
Timer
USB Input
Yes -40 to +85
TQFN/24
16.8
DS2712 
NiCd
NiMH
1
2
- 5.5 5.5 Resistor - -ΔV Switchmode
Stand Alone
Thermistor Input
Timer
-20 to +70
SOIC(N)/16
TSSOP/16
33.4
DS2711 
NiCd
NiMH
1
2
- 5.5 5.5 Resistor - -ΔV Linear
Stand Alone
Thermistor Input
Timer
-20 to +70
SOIC(N)/16
TSSOP/16
61.9
See All Battery Chargers (60)

Key Specifications:  Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX1684  2.7 14 1.25 14 3.3 1 1
Preset
Resistor
1 300
QSOP/16
30.9
MAX1685  600
QSOP/16
See All Step-Down Switching Regulators (264)



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