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Details for MAX1640EEE+ by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
SYNC RECTIFIER SMD 1640 QSOP16
MAX1640EEE+ image

MAX1640EEE+ by Maxim Integrated

SYNC RECTIFIER SMD 1640 QSOP16
Features
+5.5V to +26V Input Supply Range
100% Maximum Duty Cycle (Low Dropout)
16-Pin QSOP Package
2V to 24V Adjustable-Output Voltage Range
Current-Sense Accuracy: 2% (MAX1641)
Optional Synchronous Rectifier
Up to 500kHz PWM Operation
Part Information
MAX1640EEE+ image
RoHS Compliant
Description
The MAX1640/MAX1641 CMOS, adjustable-output, switch-mode current sources operate from a +5.5V to +26V input, and are ideal for microprocessor-controlled battery chargers. Charging current, maximum output voltage, and pulse-trickle charge are programmed with external resistors. Programming the off-time modifies the switching frequency, suppressing undesirable har- monics in noise-sensitive circuits. The MAX1640’s high- side current sensing allows the load to connect directly to ground, eliminating ground-potential errors. The MAX1641 incorporates a low-side current sense. The MAX1640/MAX1641 step-down pulse-width-modu- lation (PWM) controllers use an external P-channel MOSFET switch and an optional, external N-channel MOSFET synchronous rectifier for increased efficiency. An internal low-dropout linear regulator provides power for the internal reference and circuitry as well as the gate drive for the N-channel synchronous rectifier. The MAX1640/MAX1641 are available in space-saving, 16-pin narrow QSOP packages.
Specifications
Battery Type:
Li-Ion NiCd NiMH
Input Voltage:
26V
Battery Charge Voltage:
24V
Charge Current Max:
-
Battery IC Case Style:
QSOP
No. of Pins:
16Pins
No. of Series Cells:
16
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
1640
Controller IC Case Style:
QSOP
Duty Cycle (%):
100%
Frequency:
500kHz
Logic Function Number:
1640
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +85°C
Output Current Max:
1µA
Output Voltage:
24V
Primary Input Voltage:
26V
Supply Voltage Max:
26V
Supply Voltage Min:
5.5V
Switching Frequency:
500kHz
Topology:
Buck (Step Down)
Alternate Descriptions
Switch-Mode Current Source RS Components
SYNC RECTIFIER, SMD, 1640, QSOP16; Battery Type:Li-Ion, NiCd, NiMH; Input Voltage:26V; Battery Charge Voltage:24V; Charge Current Max:-; Battery IC Case Style:QSOP; No. of Pins:16Pins; No. of Series Cells:16; Operating Temperature RoHS Compliant: Yes Newark Electronics
Current Mode PWM Controller 2V to 24V 16-Pin QSOP Avnet America
Current Mode PWM Controller 2V to 24V 16-Pin QSOP Avnet Europe
Current Mode PWM Controller 2V to 24V 16-Pin QSOP Avnet Asia
Adjustable-Output, Switch-Mode Current Sources with Synchronous Rectifier Future Electronics