BU2032F-E2 ROHM Electronics, BU2032F-E2 Datasheet
BU2032F-E2
Related parts for BU2032F-E2
BU2032F-E2 Summary of contents
Page 1
Serial-in / Parallel-out Driver Series Serial / Parallel 4-input Drivers BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Description Serial-in-parallel-out driver incorporates a built-in shift register and a latch circuit to control a maximum of 24 LED by a 4-line interface, linked to a microcontroller. A single ...
Page 2
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Thermal derating curve 700 600 BU2050F 500 400 300 200 100 85℃ 100 Ambient temperature Ta [℃] 1600 1400 1200 1000 BU2152FS 800 600 400 200 85℃ 100 25 50 Ambient temperature Ta ...
Page 3
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Electrical characteristics BU2050F (Unless otherwise noted, Ta=25℃, V Parameter Power Supply Voltage Input high-level Voltage Input low-level Voltage Input Hysteresis Output high-level Voltage Output low-level Voltage Quiescent Current BU2092F/BU2092FV (Unless otherwise noted, Ta=25℃, V Parameter Power Supply Voltage Input ...
Page 4
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Electrical characteristics BD7851FP (Unless otherwise noted, Ta=25℃, V Parameter Power Supply Voltage Input high-level Voltage Input low-level Voltage Output high-level Voltage Output low-level Voltage Quiescent Current Reference Current Output Current (including the equation between each bit) Equation between each ...
Page 5
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Block diagram BU2050F STB Controller CLR CLOCK DATA BU2092F/BU2092FV LCK Controller CLOCK DATA OE BU2099FV LCK LPF Controller CLOCK DATA OE BD7851FP S_IN CLOCK LATCH ENABLE R_Iref BU2152FS STB Controller CLB CLOCK DATA www.rohm.com © 2009 ROHM Co., Ltd. ...
Page 6
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Operating description (1) Data clear When the reset terminal (CLR, CLB) is set to “L”, the content of all latch circuits are set to “H”, and all parallel outputs are initialised. (2) Data transfer Serial data is sequentially input ...
Page 7
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2050F】 ●Pin descriptions Pin No. Pin Name Parallel Data Output GND Parallel Data Output DATA Serial Data Input 9 CLK Clock Signal Input ...
Page 8
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Switching characteristics (Unless otherwise specified, V Parameter Set up time (DATA-CLK) Hold time (DATA-CLK) Set up time ( STB CLK) Hold time ( STB CLK) Propagation ( CLR P1 P8) ～ Propagation ( STB P1 ...
Page 9
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2092F/BU2092FV】 ●Pin descriptions Pin No. Pin Name I DATA I 3 CLOCK I 4 LCK I 5～11, Q0～Q11 O 14～18 12 ●Timing chart CLOCK ...
Page 10
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Switching characteristics (Unless otherwise specified, V Parameter Minimum Clock Pulse Width Minimum Latch Pulse Width (LCK) Setup Time (LCK→CLOCK) Setup Time (DATA→CLOCK) Hold Time (CLOCK→DATA) Propagation (LCK→OUTPUT ) QX Propagation ( OE →OUTPUT ) QX ●Switching Time Test Circuit ...
Page 11
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2092F/BU2092FV】 ●Switching Time Test Waveforms 90% CLOCK 10 90% 90% DATA 50% LCK t (LCK) PLZ OE Qx 10% www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved 90% 90% 90% ...
Page 12
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2099FV】 ●Pin descriptions Pin No. Pin Name I N. DATA I 4 CLOCK I 5 LCK I Q0 ～ Q11 6 ～ (Qx ...
Page 13
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2099FV】 ●Switching characteristics (Unless otherwise specified, V Parameter Minimum Clock Pulse Width (CLOCK) Minimum Latch Pulse Width (LCK) Setup Time (LCK→CLOCK) Setup Time (DATA→CLOCK) Hole Time (CLOCK→DATA) Propagation (SO) Propagation (LCK→QX) * Propagation ( QE →QX) * Noise Pulse ...
Page 14
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2099FV】 ●Output Voltage Test Circuit VDD GND (Vss) P.G. Test condition V ：Set all data “L”. SW1=”ON”, SW2=”3”, SW3=”1”～”12”. OL1 V ：Set output data “L” and SW4 is positioned to “2”, then voltage is measured at I ...
Page 15
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BD7851FP】 ●Pin descriptions Pin No. Pin Name Function 1 GND Ground 2 R_Iref Reference Current Output Current setting 3 LATCH Latch Signal Input 4 S_IN Serial Data Input OUT16 5 ～ 15 Reference Current Output ～ OUT6 16 P_GND ...
Page 16
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BD7851FP】 ●Timing characteristics (Unless otherwise specified, V Parameter Frequency CLOCK Pulse Width CLOCK Pulse Width LATCH Pulse Width ENABLE Rise Time / Fall Time Setup Time Hold Time Rise Time Fall Time Propagation ●Reference Current of Output Current 250 ...
Page 17
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BD7851FP】 ●Test Circuit 1 R LATCH S_IN ●Test Circuit 2 R LATCH S_IN www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved GND Vcc 2 R_Iref ENABLE 24 3 LATCH CLOCK 23 S_IN SOUT ...
Page 18
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BD7851FP】 ●Switching Time Test Waveforms t r 0.8×VCC 0.8×VCC CLOCK 0.2×VCC t SU 0.8×VCC S_IN LATCH OUTn ENABLE SOUT www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved 0.8×VCC 0.2×VCC t h 0.8×VCC t wh ...
Page 19
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2152FS】 ●Pin descriptions Pin Pin Name I/O No CLK DATA I 5 ～ ～ P24 STB I 31 CLB I 32 ...
Page 20
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS 【BU2152FS】 ●Switching characteristics (Unless otherwise specified, V Parameter Symbol Maximum Clock Frequency Setup Time 1 Hold Time 1 Setup Time 2 Hold Time 2 Setup Time 3 Hold Time 3 Setup Time 4 Hold Time 4 Output Delay Time ...
Page 21
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Switching characteristic conditions ○ Setup/Hold Time (DATA-CLOCK, STB-CLOCK, CLB-CLOCK) CLOCK 10% t SU1 DATA STB CLB ○ Setup/Hold Time (STB-CLB) CLB STB ○ Output Delay Time (CLOCK-P1 ～ P24) CLOCK P1～P24 ○ Output Delay Time (STB-P1 ～ P24) STB ...
Page 22
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Notes for use 1. Absolute maximum ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a ...
Page 23
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS ●Ordering part number Part No. Part No. 2050 2092 2099 7851 2152 SOP14 8.7 ± 0.2 (MAX 9.05 include BURR 0.4 ± 0.1 1.27 0.1 SOP18 11.2 ± 0.2 (MAX 11.55 ...
Page 24
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS HSOP25 13.6 ± 0.2 (MAX 13.95 include BURR) 2.75 ± 0 1.95 ± 0.1 0.8 0.1 S 0.36 ± 0.1 12.0 ± 0.2 SSOP-A32 13.6 ± 0.2 (MAX 13.95 include BURR ...
Page 25
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 ...