MC33341D ON Semiconductor, MC33341D Datasheet - Page 12

• Manufacturer Part Number: MC33341D
• Description: IC CTRLR BATTERY PS REG 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of MC33341D

• Function: Charge Management
• Battery Type: All Battery Types
• Voltage - Supply: 2.3 V ~ 16 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Output Current: 50 mA
• Operating Supply Voltage: 2.3 V to 15 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The above figure shows the MC33341 configured for load high−side current sensing with an externally adjustable current threshold. Opera-
tion of this circuit is similar to that of Figure 18. The current regulation threshold can be adjusted over a range of 0 V to 200 mV with respect
to Pin 4.
Current
Source
Control
Source
Return
Isolator
Opto
V reg + V
+ 1.2 R2
th(V)
Externally Adjustable Current and Internally Fixed Voltage Thresholds
R1
R2
R1
) 1
) 1
1.2 V
Figure 19. Load High−Side Current Sensing with
8
1
R
R
R
Differential Amp
Disable Logic
Differential Amp
Inverting Amp
R
R
R
http://onsemi.com
V
V
0.4 V
CC
7
2
CC
MC33341
I reg +
V
V
CC
CC
12
1.2 V
V
V
I
V
sen
sen
th(Pin 2)
I
th
th
0.2 V
R
V
CC
S
V
I
6
3
Transconductance
V
V
Comp
CC
CC
0.2 V 0.4 V 1.2 V
Amp
Reference
R3
V
CC
V
CC
5
4
R2
R3 +
I
pk
R1
R
0.02
S
– 0.6
Load
Load
R
S
Battery or
Resistive
Load