74LV4799PW NXP Semiconductors, 74LV4799PW Datasheet - Page 12
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74LV4799PW
Manufacturer Part Number
74LV4799PW
Description
Timers & Support Products 3.3V TIMER NICD AND NIMH CHARGER
Manufacturer
NXP Semiconductors
Datasheet
1.74LV4799D.pdf
(18 pages)
Specifications of 74LV4799PW
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Package Type
TSSOP
Pin Count
16
Mounting
Surface Mount
Mounting Style
SMD/SMT
Package / Case
SOT-403
Lead Free Status / RoHS Status
Compliant
Other names
74LV4799PW,112
Philips Semiconductors
1998 Apr 20
Timer for NiCd and NiMH chargers
Option A: At V
be directly biased by EN
100–240 VAC
12/24 VDC
L S
10
1
6
7
8
9
BYD13D
BYD13D
Figure 3. Application diagram of the 74LV4799 in combination with the high-voltage IC TEA1400.
VAC2
VAC1
PWR/LED
EN
C
33E
V in
TEA1400
1 F
CC > 2.0 V Q1 may
GND
DRN
SRC
VAT
VIC
S2
S1
14
15
1 F
4
5
7
20
16
15
14
13
12
11
V in
PWRS
SEL
SCAN
SCI
R C
1E
Figure 4. Inductive loader, showing the two options A and B.
10
2 2
R D
11
TR1
1.0 mH
R S I OSC
2 2
12
74LV4799
13
MOLLI/
10
SCO
6
Option B: At V
an extra NPN transistor (Q2)
LED
GND
1
TR1
12
8
16
3
V CC
V CC
EN
R C
DIS
10
16
CC < 2.0 V add
EN
EN
R D R S I OSC
11
PWRS
3
2
9
5
12
74LV4799
V in
13
A
B
Q2
4
SEL
7
GND
LED
8
Q1
1
DIS
R Z
9
Z 1
LOAD
LOAD
SV01648
battery
S
Product specification
74LV4799
SV01649