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MC33340EVB

Description
Power Management IC Development Tools ANA MC33340 EVAL BOARD
CategoryDevelopment board/suite/development tools   
File Size195KB,16 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
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Power Management IC Development Tools ANA MC33340 EVAL BOARD

MC33340EVB Parametric

Parameter NameAttribute value
Product CategoryPower Management IC Development Tools
ManufacturerON Semiconductor
RoHSDetails
Tool Is For Evaluation OfMC33340
Factory Pack Quantity1
MC33340, MC33342
Battery Fast Charge
Controllers
The MC33340 and MC33342 are monolithic control IC’s that are
specifically designed as fast charge controllers for Nickel Cadmium
(NiCd) and Nickel Metal Hydride (NiMH) batteries. These devices
feature 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. Fast charge holdoff time is the
only difference between the MC33340 and the MC33342. The
MC33340 has a typical holdoff time of 177 seconds and the
MC33342 has a typical holdoff time of 708 seconds.
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/Undertemperature Detection
Battery Over and Undervoltage Fast Charge Protection
Power Supply Input Undervoltage Lockout with Hysteresis
Operating Voltage Range of 3.25 V to 18 V
177 seconds Fast Change Holdoff Time (MC33340)
708 seconds Fast Change Holdoff Time (MC33342)
Pb−Free Packages are Available
http://onsemi.com
MARKING
DIAGRAMS
8
PDIP−8
P SUFFIX
CASE 626
1
SOIC−8
NB SUFFIX
CASE 751
x
A
L
Y
W
G
1
8
3334x
ALYWX
G
MC3334xP
AWL
YYWW
8
8
1
1
= 0 or 2
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
PIN CONNECTIONS
V
sen
Input 1
V
sen
Gate Output 2
8 V
CC
7 t1/T
ref
High
6 t2/T
sen
5 t3/T
ref
Low
(Top View)
Regulator
DC
Input
V
CC
Internal Bias
V
sen
1
Voltage to
Frequency
Converter
Ck
High
Battery
Detect
Low
Under
t1
V
sen
Gate
2
3
Fast/
Trickle
F/T
GND
4
t/T
−DV Detect
Counter
Timer t2
V
sen
Gate
t3
F/V
R
Over
R
S
Temp
Detect
Undervoltage
Lockout
8
Fast/Trickle Output 3
Gnd 4
V
CC
Over
Temp
Latch
Battery
Pack
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
Q
t1/T
ref
High
7
t2/T
sen
6
t3/T
ref
Low
5
V
CC
Time/
Temp Select
This device contains 2,512 active transistors.
Figure 1. Simplified Block Diagram
©
Semiconductor Components Industries, LLC, 2005
1
July, 2005 − Rev. 7
Publication Order Number:
MC33340/D
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