Rechargeable Battery Charge Control Ics - Sanyo EP91G Brochure

Power ICs with a Watchdog Timer Function Power ICs with a Watchdog Timer Function
LA5693AM/93D/93M LA5693AM/93D/93M
■ Applications
Microcontroller systems for use in automobiles and other
industrial equipment
■ Functions/Features
● An external PNP transistor can be used to provide a
low-saturation voltage regulator
● Since the CK input has no edge detector, a high degree of
fl exibility is allowed in applications (LA5693AM)
● Variable detection voltage (LA5693AM)
● Watchdog time can be made longer (LA5693AM)
● 5V output voltage power supply controller
(LA5693D/93M)
● Built-in watchdog timer (LA5693D/93M)
● Power supply reset signal generation function
(LA5693D/93M)
● Reset hold output RES(2) (cleared with CK reinput)
(LA5693D/93M)
Absolute maximum
Total power dissipation
ratings input voltage
0.37W (LA5693AM) MFP8(225mil)
41V
0.5W (LA5693D/93M) DIP8(300mil)
V CC
Error AMP
TR2
Start VREF
R6
2SA1258 R3
1.1kΩ Up
10kΩ
R4
R7 1kΩ
2.2kΩ
D1
TR3
DS135E R5
2SC3031
750kΩ
VOUT
DETECTOR
21
unit: mm unit: mm
5.0
9.14
8 5
8 5
1 4
1.0 1.4
1 4
(0.65)
1.27 0.35
(0.76) 2.54 0.5
SANYO: DIP8(300mil) SANYO: MFP8(225mil)
Function reset Watchdog time typ
Package
logic output (Ct=2μF)
(LA5693AM/93M)
Inverted
(LA5693D)
Block Diagram
R8 390kΩ
+ +
C in Co
10μF 100μF
VCONT VO
1 3
V DD
10kΩ
CPU
RES(1)
6
RES
RESET
RES(2)
GENERATOR 2
DO
WDT
V SS
15kΩ
15kΩ
4
GND
5 8 7
VS CK Ct
C ck
R1
+
Ct
R2

Rechargeable Battery Charge Control ICs

Rechargeable Battery Charge Control ICs
LA5636M LA5636M
■ Applications
DC-DC converter secondary side control IC
■ Functions/Features
● Built-in circuit that prevents system malfunction when
the input voltage (car battery voltage) falls.
● Provides a constant voltage output that in proportion
0.15
to the PWM input signal (permits output voltage
control by microcontroller)
● High-precision reference current (current control amp)
92.5μA ± 2.7%
● Output voltage can be set through an external resistor.
● Each loop of the voltage amp and current amp is
independent.
Battery type
Lithium-ion,
40ms
nickel-metal hydride
IN
VO
12V/24V
+
+
GND
unit: mm
Absolute maximum Total power
Package
ratings Input voltage dissipation
Car battery DC-DC converter control IC, output voltage proportional to
14.5V 0.36W MFP10S(225mil)
PWM input signal for charging lithium-ion batteries, etc.
+
Isen+IN
DOUT V+IN V-IN C1 Isen-IN
3 10 9 8 7 6
V CC
5
Tr1 R6 R8
-
Tr2
X1 R7 R9 +
R3
+
Tr3 Tr6
-
10kΩ
2.0V
Tr4
Tr 5
X2
R2
+ R4 R5 R10
R1 -
33kΩ
200kΩ 30kΩ
1.6kΩ
Tr13
13kΩ
Vref
2.5V
±1%
1
GND
5.0
10 6
1 5
0.15
0.35 1.0 (0.5)
SANYO: MFP10S(225mil)
Functions/Features
Block Diagram
V OUT
Batt
ICONST
2
Tr7
Tr8 Tr9
X4
Tr10 Tr11
+
X3
+
Tr12
-
4
+
1.25V
- R11
X5
GND
GND A/D1 A/D2
PWM
Microcontroller
22