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Motorola Electronic Components Datasheet

MC33340 Datasheet

BATTERY FAST CHARGE CONTROLLER

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Advance Information
Battery Fast Charge
Controller
The MC33340 is a monolithic control IC that is specifically designed as a
fast charge controller for Nickel Cadmium (NiCd) and Nickel Metal Hydride
(NiMH) batteries. This device features negative slope voltage detection as
the primary means for fast charge termination. Accurate detection is ensured
by an output that momentarily interrupts the charge current for precise
voltage sampling. An additional secondary backup termination method can
be selected that consists of either a programmable time or temperature limit.
Protective features include battery over and undervoltage detection, latched
over temperature detection, and power supply input undervoltage lockout
with hysteresis. Provisions for entering a rapid test mode are available to
enhance end product testing. This device is available in an economical
8–lead surface mount package.
Negative Slope Voltage Detection with 4.0 mV Sensitivity
Accurate Zero Current Battery Voltage Sensing
High Noise Immunity with Synchronous VFC/Logic
Programmable 1 to 4 Hour Fast Charge Time Limit
Programmable Over/Under Temperature Detection
Battery Over and Undervoltage Fast Charge Protection
Rapid System Test Mode
Power Supply Input Undervoltage Lockout with Hysteresis
Operating Voltage Range of 3.0 V to 18 V
Simplified Block Diagram
MC33340
BATTERY FAST CHARGE
CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
DC
Input VCC 8
Vsen
1
Vsen
Gate
2
3
Fast/
Trickle
Internal Bias
Undervoltage
Lockout
Voltage to
Frequency
Converter
Ck
High
Battery
Detect
Low
F/V R
Over
Under
Over
Temp
R Latch
Q
S
Temp
Detect
t1
V Detect
Counter
Timer t2
Vsen
Gate
t3
F/T
Gnd
t/T
Time/
Temp
Select
4
VCC
Battery
Pack
t1/Tref High
7
t2/Tsen
6
t3/Tref Low
5
VCC
This device contains 2,512 active transistors.
This document contains information on a new product. Specifications and information herein
arMe OsuTbjOecRt tOo cLhAangAeNwAithLoOut GnotIiCce.DEVICE DATA
PIN CONNECTIONS
Vsen Input 1
Vsen Gate Output 2
Fast/Trickle Output 3
Gnd 4
8 VCC
7 t1/Tref High
6 t2/Tsen
5 t3/Tref Low
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC33340D
MC33340P
SO–8
TA = –25° to +85°C
Plastic DIP
© Motorola, Inc. 1996
Rev 0
1


Motorola Electronic Components Datasheet

MC33340 Datasheet

BATTERY FAST CHARGE CONTROLLER

No Preview Available !

MAXIMUM RATINGS
Rating
Power Supply Voltage (Pin 8)
Input Voltage Range
Time/Temperature Select (Pins 5, 6, 7)
Battery Sense, Note 1 (Pin 1)
Symbol
VCC
VIR(t/T)
VIR(sen)
Vsen Gate Output (Pin 2)
Voltage
Current
Fast/Trickle Output (Pin 3)
Voltage
Current
Thermal Resistance, Junction–to–Air
P Suffix, DIP Plastic Package, Case 626
D Suffix, SO–8 Plastic Package, Case 751
Operating Junction Temperature
Operating Ambient Temperature (Note 2)
Storage Temperature
NOTE: ESD data available upon request.
VO(gate)
IO(gate)
VO(F/T)
IO(F/T)
RθJA
TJ
TA
Tstg
MC33340
Value
18
–1.0 to VCC
–1.0 to VCC + 0.6
or
–1.0 to 10
20
50
20
50
100
178
+150
–25 to +85
–55 to +150
Unit
V
V
V
mA
V
mA
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VCC = 6.0 V, for typical values TA = 25°C, for min/max values TA is the operating
ambient temperature range that applies (Note 2), unless otherwise noted.)
Characteristic
BATTERY SENSE INPUT (Pin 1)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Sensitivity for –V Detection
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOvervoltage Threshold
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁUndervoltage Threshold
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Bias Current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Resistance
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁTIME/TEMPERATURE INPUTS (Pins 5, 6, 7)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁProgramingInputs(Vin = 1.5 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Current
Input Current Matching
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Offset Voltage, Over and Under Temperature Comparators
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁUnder Temperature Comparator Hysteresis (Pin 5)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁTemperature Select Threshold
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁINTERNAL TIMING
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInternal Clock Oscillator Frequency
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁVsen Gate Output (Pin 2)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁGate Time
Gate Repetition Rate
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFast Charge Holdoff from –V Detection
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁVsen GATE OUTPUT (Pin 2)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOff–State Leakage Current (VO = 20 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLow State Saturation Voltage (Isink = 10 mA)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFAST/TRICKLE OUTPUT (Pin 3)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOff–State Leakage Current (VO = 20 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLow State Saturation Voltage (Isink = 10 mA)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁNOTES: 1.Whichevervoltageislower.
Symbol
Vth
Vth(OV)
Vth(UV)
IIB
Rin
Iin
Iin
VIO
VH(T)
Vth(t/T)
fOSC
tgate
thold
Ioff
VOL
Ioff
VOL
Min Typ
– –4.0
1.9 2.0
0.95 1.0
– 10
– 6.0
–24 –30
– 1.0
– 5.0
– 44
– VCC –0.7
– 760
– 33
– 1.38
– 177
– 10
– 1.2
– 10
– 1.0
Max Unit
– mV
2.1 V
1.05 mV
– nA
– M
–36 µA
2.0 %
– mV
– mV
– mV
– kHz
– ms
–s
–s
– nA
–V
– nA
–V
2. Tested junction temperature range for the MC33340:
Tlow = –25°C Thigh = +85°C
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC33340
Description BATTERY FAST CHARGE CONTROLLER
Maker Motorola
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MC33340 Datasheet PDF






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