BD6062GU_11 ROHM [Rohm], BD6062GU_11 Datasheet

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BD6062GU_11

Manufacturer Part Number
BD6062GU_11
Description
Chopper type for Flash
Manufacturer
ROHM [Rohm]
Datasheet
System LED Drivers for Mobile phones
Chopper type
for Flash
●Description
●Features
●Applications
●Line up matrix
●Absolute maximum ratings (Ta=25℃)
●Recommended operating range (Ta= -30℃ ~ +85℃)
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
BD6062GU
The BD6062GU is 1A Flash LED Driver ICs that can drive 1LED. It is possible to select how to control, 2wired control mode
(Direct Control Mode) or 3wired mode (Register Control Mode). The BD6062GU has original Timer function in 3wired mode
and easily set pre-flash timer and flash timer.
Flash and torch of camera for mobile phone
10) CSP 23pin Small and Thin package
Input voltage
Switching Frequency
Maximum LED Current
Package
Maximum applied voltage
Power dissipation
Operating temperature range
Storage temperature range
*1 50mm × 58mm × 1.75mm At glass epoxy board mounting. When it’s used by more than Ta=25℃, it’s reduced by 11mW/℃
Power Supply Voltage
IO Supply Voltage
*2 VBAT ≥ VIO
1) 400mA ~ 800mA selectable in Flash mode (Register Control Mode)
2) 50 ~ 200mA Torch mode (Register Control Mode)
3) 800mA in Flash mode (Direct control Mode)
4) 200mA in Torch mode (Direct control Mode)
5) Maximum current of LED is 1A in both Flash and Torch mode
6) 3Wired Mode and Direct control Mode selectable
7) In 3Wired Mode, Pre-Flash Timer and Flash Timer controllable
8) In 3Wired Mode, Flash current and Torch current is controllable
9) Over voltage protection
Parameter
Parameter
Parameter
Symbol
Symbol
VMAX
VDD
Topr
Tstg
VIO
Pd
1.62
Min.
2.7
480 ~ 720kHz
BD6062GU
VCSP85H2
2.7 ~ 5.5V
1A
1/15
-55~+150
-30~+85
Ratings
Ratings
1100 *
Typ.
3.6
1.8
7
1
Max.
5.5
3.3
Unit
mW
Unit
V
V
V
VBAT, VIO
*
*
2
2
Condition
Condition
2011.05 - Rev.B
No.11041EBT13

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BD6062GU_11 Summary of contents

Page 1

System LED Drivers for Mobile phones Chopper type for Flash BD6062GU ●Description The BD6062GU is 1A Flash LED Driver ICs that can drive 1LED possible to select how to control, 2wired control mode (Direct Control Mode) or 3wired ...

Page 2

BD6062GU ●Electrical characteristics (Unless otherwise noted +25℃, VBAT=3.6V, VIO=1.8V) Parameter [Logic control terminal (IFMODE=’L’, 3wired control mode)] Low threshold voltage1 High threshold voltage1 High level Input current1 Low level Input current1 [Logic control terminal (IFMODE=’H’, Direct control mode)] ...

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BD6062GU ●Electrical characteristic curves (Reference data) 0.1 0.08 0.06 0.04 Ta=85°C 0.02 Ta=25°C Ta=-30° 3.5 4 4.5 5 5.5 INPUT VOLTAGE : VBAT[V] Fig.1 Quiescent current consumption (VBAT) 3 2.4 Ta=85°C Ta=25°C 1.8 Ta=-30°C 1.2 0 ...

Page 4

BD6062GU ●Electrical characteristic curves (Reference data) – Continued 0.22 Ta=85°C 0.21 Ta=25°C Ta=-30°C 0.2 0.19 0. 100 150 200 250 TFB CURRENT : ITFB[mA] Fig.13 TORCH Load Regulation (VBAT = 5.5V) 100 95 Ta=-30°C Ta=25°C Ta=85° ...

Page 5

BD6062GU ●Block diagram and pin configuration VIO R Q osc S Q slope CURDRV CURDRV TORCH (CS) TORCH FLASH CLK Control CSDI FLASH (RSTB) IFMODE OVP TEST OPEN Fig.23 1A application Block diagram of Direct control Mode VIO R Q ...

Page 6

BD6062GU ●Pin assignment table No. Pin Name A1 TEST A2 RSTB/FLASH A3 FFB A4 GNDSENS A5 N.C B1 RFLASH B3 IFMODE B4 SW1 B5 SW2 C1 VFB C2 TFB C4 CSDI C5 VIO D1 RTORCH D2 CS/TORCH D3 OVP D4 ...

Page 7

BD6062GU Control Serial Port Specifications Parameter CS Input Setup CS Input Hold CSDI Input Setup CSDI Input Hold Clock Cycle Time Duty Ratio Performance specifications are guaranteed, but not production tested. 2) Register map Address Symbol D[7] [7:0] ENA 01 ...

Page 8

BD6062GU 2-3) Flash delay timer setting Tdelay[2:0] tFlash1 000 0ms 001 5ms 010 10ms 011 15ms 100 20ms 101 25ms 110 30ms 111 35ms tFLASH1 : Flash on delay timer It control the period from flash enable to light up. ...

Page 9

BD6062GU It depends on battery or external components condition, internal power consumption will be large at flash action and there is a possibility that it will over Power dissipation of IC. BD6062GU can limit drive current on over power condition, ...

Page 10

BD6062GU ii) Register control interface(3wired) mode (timer disable) Torch (Address : 00 (H), D[0]) Flash (Address : 00 (H), D[1]) I LED (0mA) Fig.30 3wired mode Torch and Flash Timing (Timer disable) If flash period is over tFLASH2 setting, flash ...

Page 11

BD6062GU 7) Soft start BD6062GU has soft start function. Soft start function will prevent the big peak current from IC and coil. The detail of soft start is as follows. ERRAMP EN VOUT A B (dashed Soft Current ...

Page 12

BD6062GU 10) Safety functions 10-1) Over voltage detect function (OVP) When OVP become more than 5.5V, IC stop the switching. When OVP become less than detect voltage, the status of switching will restart. 10-2) Open detect function (ODF) When OVP ...

Page 13

BD6062GU ●Recommended layout pattern BD6062GU R2 + LED CIN R1 Fig.34 Frontal surface (TOP VIEW) Fig.36 Middle surface2 (TOP VIEW) ●Notes for use ( 1 ) Absolute Maximum Ratings An excess in the absolute maximum ratings, such as supply voltage, ...

Page 14

BD6062GU ( 6 ) Short circuit between terminals and erroneous mounting In order to mount ICs on a set PCB, pay thorough attention to the direction and offset of the ICs. Erroneous mounting can break down the ICs. Furthermore, if ...

Page 15

BD6062GU ●Ordering part number Part No. Part No. 6062 VCSP85H2 (BD6062GU) 1PIN MARK 2.86±0.1 23- φ 0.30±0.05 0. φ 0.15)INDEX POST ...

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No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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