- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98193 > TDA7278 (STMICROELECTRONICS) SPECIALTY CONSUMER CIRCUIT, PQFP44 PDF資料下載
參數(shù)資料
| 型號(hào)： | TDA7278 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 276K |
| 代理商： | TDA7278 |
PIN FUNCTIONS
N
o
Name
Function
21
WDINP
Watch dog input - AC coupled to WD
controller output
(Disabled when connected to GND)
Watch dog & reset
circuit
20
CRES
Start up reset control for
C & watch dog time constant
19
RESET
Reset output command to
C (open collector)
41
BEMP
Battery empty comparator input
Battery control circuit
40
BLOW
Battery low comparator input
39
VCON
Battery level control output
VCON = Z VBEMP > VBCON > VBG
VCON = 1 VBEMP > VBG > VBLOW
VCON = 0 VBG > VBEMP > VBLOW
24
ENABLE
General Enable Input (active Low)
Band Gap Reference
18
VBG
Reference voltage capacitor
12
SSCAP
Soft start capacitor
VCPU DC-DC
converter
16
OUT 1
Switching transistor terminal high
17
OUT 2
Switching transistor terminal low
15
VCPU
Regulated voltage
14
IRC
Error amplifier output
13
INP
Error amplifier inverting input
11
VHIGH
Regulated Voltage
Vhigh Boost DC-DC
Converter
10
OUT
Switching transistor output
22
STCAP
Sawtooth toth
Oscillator
23
SYNC
Oscillator synchronizing input
4, 30
VBAT
Power supply voltage
6, 28
GND
Power ground
38
VREF 2
Buffered reference output voltage
37
VREF 1
Reference input voltage
5
FLIN 1
Switching Output
Focus actuator step
down converter
& H bridge
7
HOUT 1A
H bridge positive output
8
HIN 1
Regulated voltage H bridge supply
9
HOUT 1B
H bridge negative output
43
ERROR 1
Error input
29
FLIN 3
Switching Output
Tracking actuator
step down converter
& H bridge
27
HOUT 3A
H bridge positive output
26
HIN 3
Regulated voltage H bridge supply
25
HOUT 3B
H bridge negative output
35
ERROR 3
Error input
3
FLIN 2
Switching output
Spindle motor step
down converter
& H bridge
2
HOUT2A
H bridge positive output
1
HIN 2
Regulated voltage H bridge supply
44
HOUT 2B
H bridge negative output
42
ERROR 2
Error input
TDA7278
3/15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7284 | 2 CHANNEL, AUDIO PREAMPLIFIER, PDIP14 |
| TDA7284D | 2 CHANNEL, AUDIO PREAMPLIFIER, PDSO14 |
| TDA7285 | SPECIALTY CONSUMER CIRCUIT, PDIP20 |
| TDA7285D | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| TDA7293V | 100 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7282 | 制造商:FCI 制造商全稱:First Components International 功能描述:DUAL LOW-VOLTAGE POWER AMPLIFIER |
| TDA7284 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RECORD/PLAYBACK CIRCUIT WITH ALC |
| TDA7284D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RECORD/PLAYBACK CIRCUIT WITH ALC |
| TDA7285 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:STEREO CASSETTE PLAYER AND MOTOR SPEED CONTROLLER |
| TDA7285D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:STEREO CASSETTE PLAYER AND MOTOR SPEED CONTROLLER |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。