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TSM105CD Datasheet

  • TSM105CD

  • CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER FOR BATTERY...

  • 9頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TSM105
CONSTANT VOLTAGE AND CONSTANT CURRENT
CONTROLLER FOR BATTERY CHARGERS AND ADAPTORS
s
CONSTANT VOLTAGE AND CONSTANT
s
s
s
s
s
s
CURRENT CONTROL
LOW VOLTAGE OPERATION
PRECISION INTERNAL VOLTAGE REFER-
ENCE
LOW EXTERNAL COMPONENT COUNT
CURRENT SINK OUTPUT STAGE
EASY COMPENSATION
LOW AC MAINS VOLTAGE REJECTION
ORDER CODE
Part
Number
TSM105CLT
TSM105CD
Temperature
Range
0 to 85擄C
0 to 85擄C
Package
Marking
L
鈥?/div>
鈥?/div>
D
M105
TSM105
L =
Tiny Package (SOT23-5) - only available in Tape & Reel (LT)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
DESCRIPTION
TSM105 is a highly integrated solution for SMPS
applications requiring CV (constant voltage) and
CC (constant current) mode.
TSM105 integrates one voltage reference, two
operational amplifiers (with ORed outputs - com-
mon collectors), and a current sensing circuit.
The voltage reference combined with one opera-
tional amplifier makes it an ideal voltage control-
ler, and the other low voltage reference combined
with the other operational amplifier makes it an
ideal current limiter for output low side current
sensing.
The current threshold is fixed, and precise.
The only external components are:
* a resistor bridge to be connected on the output of
the power supply (adapter, battery charger) to set
the voltage regulation by dividing the desired out-
put voltage to match the internal voltage reference
value.
* a sense resistor whose value and allowable dis-
sipation power need to be chosen according to the
internal voltage threshold.
* optional compensation components (R and C).
TSM105, housed in one of the smallest package
available, is ideal for space shrinked applications
such as adapters and battery chargers.
APPLICATIONS
L
SOT23-5
(Plastic Package)
D
SO8
(Plastic Micropackage)
PIN CONNECTIONS
(top view)
1
1
2
3
SOT23-5
Vctrl
Vcc
Gnd
Out
Ictrl
4
5
2
3
4
SO8
Vctrl
Vcc
Nc
Nc
Gnd
Out
Ictrl
Nc
8
7
6
5
s
ADAPTERS
s
BATTERY CHARGERS
September 2001
1/9

TSM105CD 產(chǎn)品屬性

  • STMicroelectronics

  • 電池管理

  • 0.2 V

  • 27 mA or 35 mA

  • 2.8 V to 12 V

  • + 85 C

  • 0 C

  • SO

  • Tube

  • SMD/SMT

  • Charge Management

  • 100

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