EEWORLDEEWORLDEEWORLD

Part Number

Search

TK61224BQ5GHB

Description
Switching Regulator, 2000kHz Switching Freq-Max, HALOGEN AND LEAD FREE, HQFN-32
CategoryPower/power management    The power supply circuit   
File Size280KB,2 Pages
ManufacturerAKM [Asahi Kasei Microsystems]
Download Datasheet Parametric View All

TK61224BQ5GHB Overview

Switching Regulator, 2000kHz Switching Freq-Max, HALOGEN AND LEAD FREE, HQFN-32

TK61224BQ5GHB Parametric

Parameter NameAttribute value
MakerAKM [Asahi Kasei Microsystems]
Parts packaging codeQFN
package instructionHQCCN,
Contacts32
Reach Compliance Codeunknown
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage25 V
Minimum input voltage4.25 V
JESD-30 codeS-XQCC-N32
Number of functions1
Number of terminals32
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG
Certification statusNot Qualified
surface mountYES
Switch configurationBOOST
Maximum switching frequency2000 kHz
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal locationQUAD

TK61224BQ5GHB Preview

TK61224B
DCDC Converter, 6 string circuits, Step-up, Inductive
DCDCコンバータ½定電流6ポート½昇圧½インダクティブ
Feature
最大10個の½色LEDを4~6列駆動可½
スイッチングMOS
Tr.内蔵
6個のLED電流スタビライザ内蔵
内部回路用LDO装備
調整可½な½フトスタート時間
SMBusインターフェイス
輝度調整
- SMBus入力によるSMBusモード
- PWM入力によるPWMモード
- SMBusベースのDPSTモード
-
いずれも8ビット分解½
発振回路は、最高2MHzまで設定可½
保護機½
-
過電圧保護
-
過電流保護
- LDO½電圧保護
-
過熱保護
厚さ1.0mm以下ノンリード小型パッケージ
動½電圧範囲V
OP
=4.25~25V
動½温度範囲T
OP
=-40~+85°C
許容消費電力P
D
=2500mW
Capable of driving 4 to 6 strings
of 10 WLEDs in series
Internal Switching FET
Internal six Current Stabilizers
(Each up to 10 LEDs at 25mA)
Internal LDO (Single Input-Voltage)
Brightness control
- SMBus mode by SMBus Signal input
- PWM mode by duty of PWM waveform
- DPST mode on the basis of SMBus
- 8 bit accuracy
Adjustable Oscillation Frequency
- Max 2.0MHz
Protection
- Over-voltage protection
- Over-current protection
- UVLO
- Thermal protection
Low Profile Package with Heat-sink
Operating Voltage Range V
OP
=4.25 to 25V
Operating Temp. Range T
OP
=-40 to +85°C
Power Dissipation P
D
=2500mW
Characteristics
Part Name
TK61224B
Number of
Current Stabilizer
6ch
f
OSC
200kHz to 1.8MHz
Number of LED in
serial connection
10 LED
I
LED
Max
25mA/Ch
Ordering Guide, Marking
Part Name
Ordering Name
Marking
Description
Order
Size
TK61224B
TK61224BQ5GHB
TOKO
61224
LOT X
TK61224B:
Part Name
1,000
Q5:
HQFN5050-32 Package
pcs.
GH:
PB-Free&Halogen Free
/Reel
B:
Tape&Reel, Back
Page 142
2010 AUTUMN
Block Diagram, Standard Application
LED1
LED2
LED3
LED4
LED5
LED6
12
LED1
LED2
2
1
9
10
SHDN/4/5/6ch CURRENT
SOURCE SELECTOR
OVER VOLTAGE
PROTECTION
+
-
23
PGND
31
CURRENT
SENSE
+
-
DIMMING
0.5V
SHDN
0.15V
22
GND1
5
PWM
COMPARATOR
DRIVER
+
+
+
+
-
21
LED3
FAULT
4
TIMMER
LATCH
26
DIMMING
THERMAL
SHUTDOWN
EAOUT
ERROR
AMP
-
+
0.8V
LOW SIDE
CURRENT
SINK
19
LED4
VIN
VREG
24
LDO
25
5.0V
INTERNAL
REGULATOR
2.5V
OSC
8-bit
COUNTER
OSC
DRIVER,DIMMING
SOFT
START
18
LED5
VREF
13
UVLO
17
LED6
DIVIDER
THERMAL
SHUTDOWN
DIGITAL-PWM
GENERATOR
SCL
SDA
8
7
SMBus
I/F
BRIGHTNESS
CONTROL
DRIVER
2.5V
PWMIN
2.5V
DIMMING
CONTROL
OVP
+
-
14
PWM
ADC
SEL
THERMAL
SHUTDOWN
PWMOUT
15
20
GND3
16
AGND
6
DGND
30
GND2
12
RT2
11
RT1
L
side
32
DTC
H
side
28
CSS
27
ISET
2010 AUTUMN
Page 143
DCDC Converter
SW
OVP
EN0
EN1
Solve the problem of computer not reading disk and directly entering CMOS
I made a mistake when reinstalling the system. When I restarted, it went directly into CMOS and could not boot from the hard disk or CD. What should I do now? Please help me. . . I have tried the Adva...
kangkang Embedded System
AVR microcontroller new book download
[url]http://www.mcuol.com/other/20070904/[/url] The above is the download link of avr microcontroller e-book...
njlianjian Microchip MCU
Need TI online training video PPT?
Dear friends, awesome TI online training videos . Are there some places that are not convenient for efficient learning ? Are you still not remembering the key points? It doesn’t matter if the exam res...
nwx9988 Microcontroller MCU
Why does ERROR occur?
How can there be such an error? My space is still available....
maxcio DSP and ARM Processors
I don't know how to process the analog signal before it enters AD.
I want to make a data acquisition card for collecting voltage signals, but I don't know how to process the AD front end. Please help me. There are two types of measured signals: 1, analog signal of 0-...
ddlxiaoxu Analog electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 65  2293  2855  395  570  2  47  58  8  12 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号