900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




Linear Technology Electronic Components Datasheet

LTC4150IMS Datasheet

Coulomb Counter/ Battery Gas Gauge

No Preview Available !

FEATURES
n Indicates Charge Quantity and Polarity
n ±50mV Sense Voltage Range
n Precision Timer Capacitor or Crystal Not Required
n 2.7V to 8.5V Operation
n High Side Sense
n 32.55Hz/V Charge Count Frequency
n 1.5μA Shutdown Current
n 10-Pin MSOP Package
APPLICATIONS
n Battery Chargers
n Palmtop Computers and PDAs
n Cellular Telephones and Wireless Modems
TYPICAL APPLICATION
LTC4150
Coulomb Counter/
Battery Gas Gauge
DESCRIPTION
The LTC®4150 measures battery depletion and charging
in handheld PC and portable product applications. The
device monitors current through an external sense resistor
between the battery’s positive terminal and the battery’s
load or charger. A voltage-to-frequency converter trans-
forms the current sense voltage into a series of output
pulses at the interrupt pin. These pulses correspond to a
fixed quantity of charge flowing into or out of the battery.
The part also indicates charge polarity as the battery is
depleted or charged.
The LTC4150 is intended for 1-cell or 2-cell Li-Ion and
3-cell to 6-cell NiCd or NiMH applications.
L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode are registered trademarks and
ThinSOT and PowerPath are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
RSENSE
+
CHARGER
LOAD
4.7μF
4.7μF
SENSESENSE+ VDD
CF+
INT
CF–
LTC4150 CLR CHG
POL
GND SHDN
RL RL
μP
DISCHG
4150 TA01a
Integral Nonlinearity, % of Full Scale
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–50
–25
0
25
50
CURRENT SENSE VOLTAGE (mV)
4150 TA01b
4150fc
1


Linear Technology Electronic Components Datasheet

LTC4150IMS Datasheet

Coulomb Counter/ Battery Gas Gauge

No Preview Available !

LTC4150
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (VDD) .................................. –0.3V to 9V
Input Voltage Range
Digital Inputs (CLR, SHDN) ........–0.3V to (VDD + 0.3)
SENSE, SENSE+ , CF–, CF+.........–0.3V to (VDD + 0.3)
Output Voltage Range
Digital Outputs (INT, POL) ....................... –0.3V to 9V
Operating Temperature Range
LTC4150CMS ........................................... 0°C to 70°C
LTC4150IMS ....................................... –40°C TO 85°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
SENSE+ 1
SENSE2
SHCCDFFN+–
3
4
5
TOP VIEW
10 INT
9 CLR
8 VDD
7 GND
6 POL
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 160°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4150CMS#PBF
LTC4150CMS#TRPBF LTQW
10-Lead Plastic MSOP
0°C to 70°C
LTC4150IMS#PBF
LTC4150IMS#TRPBF
LTQW
10-Lead Plastic MSOP
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 2.7V and 8.5V unless otherwise noted.
SYMBOL
VIL
VIH
VOL
ILEAK
VOS
PARAMETER
Digital Input Low Voltage, CLR, SHDN
Digital Input High Voltage, CLR, SHDN
Digital Output Low Voltage, INT, POL
Digital Output Leakage Current, INT, POL
Differential Offset Voltage (Note 4)
CONDITIONS
IOL = 1.6mA, VDD = 2.7V
VINT = VPOL = 8.5V
VDD = 4.0V
MIN
TYP
MAX
UNITS
l
0.7
V
l 1.9
V
l
0.5
V
l
0.01
1
μA
±100
μV
l
±150
μV
VDD = 8.0V
±100
μV
l
±150
μV
VDD = 2.7V to 8.5V
l
±150
μV
±200
μV
VSENSE(CM)
VSENSE
RIDR
Sense Voltage Common Mode Input Range
Sense Voltage Differential Input Range
Average Differential Input Resistance,
Across SENSE+ and SENSE
SENSE+ – SENSE
VDD = 4.1V (Note 3)
l VDD – 0.06
l –0.05
VDD + 0.06
V
0.05
V
155
270
390
VUVLO
Undervoltage Lockout Threshold
VDD Rising
l
2.5
2.7
V
4150fc
2


Part Number LTC4150IMS
Description Coulomb Counter/ Battery Gas Gauge
Maker Linear
PDF Download

LTC4150IMS Datasheet PDF






Similar Datasheet

1 LTC4150IMS Coulomb Counter/ Battery Gas Gauge
Linear





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z



Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy