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What is MC33340?

This electronic component, produced by the manufacturer "Motorola Semiconductors", performs the same function as "BATTERY FAST CHARGE CONTROLLER".


MC33340 Datasheet PDF - Motorola Semiconductors

Part Number MC33340
Description BATTERY FAST CHARGE CONTROLLER
Manufacturers Motorola Semiconductors 
Logo Motorola Semiconductors Logo 


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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

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MC33340 equivalent
MC33340
Figure 7. Typical Battery Charging Application
Regulator
DC
Input
Charge
Status
Reg Control
R2
Vsen
1
R1
Vsen
Gate
2
3
Fast/
Trickle
MC33340
VCC 8
Internal Bias
Undervoltage
Lockout
Voltage to
Frequency
Converter
Over
Temp
Ck
High
F/V R
Over
Latch
R
Q
2.0 V
Battery
S
Temp
Detect
Detect
1.0 V Low Under
t1
V Detect
Counter
Timer
t2
Vsen
Gate
t3
F/T t/T
Time/
Temp
Select
Gnd 4
ǒ Ǔ+R2
R1
VBatt
Vsen
1
VCC
2.9 V
T RNTC
Battery
Pack
30 µA
30 µA
30 µA
VCC
t1/Tref High
7
SW1 R3
t2/Tsen
6
SW2
t3/Tref Low
5 SW3
R4
0.7 V
Figure 8. Typical Charge Characteristics for NiCd and NiMh Batteries
1.6
Vmax
70
V
dV
1.5 dt 60
Tmax
1.4 50
1.3
Voltage
1.2
Temperature
1.1
Relative Pressure
1.0
0 40 80 120
CHARGE INPUT PERCENT OF CAPACITY
40
30
20
10
160
MOTOROLA ANALOG IC DEVICE DATA
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MC33340 electronic component.


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