11
12
Rechargeable Battery Charge Control ICs
❈
: Development
Type No.
Battery type
Absolute
maximum ratings
Input voltage
(V)
Total power
dissipation
(W)
Package
Functions/Features
P
LA5636M
Lithium-ion,
nickel-metal hydride
14.5
0.36
MFP10S(225mil)
Car battery DC/DC converter control IC, output voltage propor-
tional to PWM input signal, for charging lithium-ion batteries
22
❈
LA5645M
Charger
14.5
0.3
MFP8(225mil)
Constant-voltage, constant-current control IC, high precision
reference voltage (1.5V+1%), input offset voltage (2mV max.)
Dedicated Reset Function ICs
Type No.
Absolute
maximum ratings
Input voltage
(V)
Total power
dissipation
(W)
Package
Functions/Features
P
LA5623M
-0.3 to +12
0.3
MFP8(225mil)
2-system reset IC with built-in 1.25V, and 4.2V reference voltages,
delay time 25ms, 50ms, 100ms, or 200ms switchable
23
LED Driver ICs
●
: New products
Type No.
Input voltage Channels
Package
Circuit functions and applications
P
LV5213LP
3.0 to 4.5
3ch
VCT16(2.6×2.6)
3-channel LED driver for cell phones
●
LV5215LF
3.0 to 4.5
4ch
VQFN12(2.0×2.0)
4-channel LED driver for cell phones
24
●
LV5217GP
3.0 to 4.5
3ch
VCT16(2.6×2.6)
3-channel LED driver for cell phones
25
Block Diagram
Reg.
OSC
VREF
Reset
OCP
TSD
Drive
Comp.
Amp.
GND
SS
VIN
SWOUT
VOS
* For other block diagrams, refer to the datasheet.
Example: LA5771 Block Diagram
L1
68
μ
H
C1
220
μ
F
/35V
R1
R2
C2
1000
μ
F
/6.3V
D1
SBD
C3
1
μ
F
/50V
■
Applications
Separately-excited step-down switching regulator
■
Functions/Features
●
Low-ESR capacitor with increased reliability applicable
as the output smoothing capacitor (LA5774/74MP)
●
High ef
fi
ciency
●
4 external parts
●
Built-in reference oscillator (160kHz)
●
Built-in current limiter
●
Built-in thermal shutdown circuit
●
Built-in soft start circuit
(LA5771/71MP/72/72MP/74/74MP)
●
ON/OFF function (LA5734/77/77MP/79/79MP)
Type
Input voltage
Output voltage
Channels Power stages
Package
Step
down
• 4.5V to 28V (LA5774/74MP/79/79MP)
• 4.5V to 32V (LA5734MP)
• 5.5V to 28V (LA5771MP)
• 5.5V to 32V (LA5771)
• 7V to 28V
(LA5772MP)
• 7V to 32V
(LA5772)
• 8V to 28V
(LA5777/77MP)
• Programmable externally/3A
(LA5734MP/74/74PM/79/79MP)
• 3.3V/3A
(LA5771MP/71)
• 5V/3A
(LA5772MP/72/77/77MP)
1ch
Built in
• 220-5H
(LA5771/72/74/77/79)
• SMP5
(LA5734MP/71MP/72MP/
74MP/77MP/79MP)
DC-DC Converter (Control) ICs [Step down]
DC-DC Converter (Control) ICs [Step down]
LA5734MP/71/71MP/72/72MP/
LA5734MP/71/71MP/72/72MP/
74/74MP/77/77MP/79/79MP
74/74MP/77/77MP/79/79MP
unit: mm
SANYO: SMP5
unit: mm
SANYO: 220-5H
1
5
0.8
10.4MAX
10.0
3.6
4.5
1.3
2.7
23.0
21.3
17.8
15.0
0.9
2.7
0.45
4.5
8.4
1.7
(1.6)
(8.8)
1.5
10.0
9.9
1.2
4.5
(8.8)
1.3
4.5
2.7
0.4
1.7
(1.6)
0.9
1
5
0.2
Dual-Protection ICs
(for Rechargeable Lithium-ion Batteries)
●
: New products and
Continued from preceding page.
❈
: Development
Type No.
Absolute maximum ratings
Package
Functions/Features
P
Input voltage
(V)
Total power
dissipation
(W)
❈
LV51114LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51115T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51115LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51116T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51116LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51117T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51117LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51118T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51118LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51119T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51119LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
●
LV51140T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51140LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
●
LV51141T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51141LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51142T
-0.3 to +7
0.35
SOT-23-6
1-cell Lithium-ion rechargeable battery protection IC
❈
LV51142LF
-0.3 to +7
0.3
SON5(1.6×2.0)
1-cell Lithium-ion rechargeable battery protection IC
