IP6505_V01 INJOINIC | Alldatasheet
Document overview
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Technical content
24W Max Synchronous-Rectified Buck Converter for DCP/QC2.0/QC3.0/FCP/SCP/AFC/SFCP
1 Features
Synchronized Switch Regulator Built-in power MOSFET 48V Input Voltage Surge Input voltage range: 4.5V~32V Output voltage range: 3V~12V, Output power: up to 24W fixed line-compensation Support CV (Constant Output Voltage) mode & CC(Constant Output Current) mode Conversion efficiency: up to 97% Soft start function Fast charge output Support BC1.2, Apple, Samsung Support Qualcomm QC2.0, QC3.0 Support MTK PE+1.1 and MTK PE+2.0 Support Huawei Fast charge: FCP & SCP Support Samsung fast charge : AFC Support Spreadtrum fast charge : SFCP Multi-protection and high reliability OVP/UVP/OTP/OCP/short circuit protection ESC 4KV, Package: ESOP8
2 Applications
Car Charger Fast Charge Adaptor Smart Power Strip
3 Description
IP6505 is a Synchronous-Rectified Buck Converter and support 10 fast charge output standards, providing solutions for car charger, fast charge adaptor and smart power strip. IP6505 has built-in power MOSFET, input voltage range is 4.5V to 32 V, output voltage ranges from 3V to 12V, and supply up to 24W output power; support voltage and current auto adjust according to the fast charge standard. Typical output voltage and current including: 4V@3.6A, 5V@3.4A, 7V@3A, 9V@2.5A, 12V@2A. Power conversion efficiency is up to 97%. IP6505 built-in fixed line -compensation,, the output voltage will be increased along with an increased current, providing compensation on the voltage drop introduced by the wire resistance. IP6505 support several fast charge standards, DP/DM support auto distinguish on the fast charge of the accessed devices, and IP6505 will adjust the output voltage and current according to the fast charge standard automatically. Supported fast charge standards including: DCP (Apple, Samsung and BC1.2), Qualcomm QC2.0/QC3.0, MTK PE1.1/2.0, Huawei FCP&SCP, Spreadtrum SFCP . IP6505 support multi -protection on overvoltage protection and under voltage protection, over current protection, and short circuit protection.
VIN (4.5~32V) C1C2 C4C5 VOUT Figure 1 IP6505 simplified application schematic
4 Pin Definition
PIN list: Pin Description No Name 1, 2 SW DCDC switch node, connect to the inductor
3 BST Boost strap circuit pin, place capacitor close to the BST pin and LX pin,
providing drive voltage for the gate of the upper MOSFET
4 NC Float pin, do not connect
5 DM Connect to USB DM data line
6 DP Connect to USB DP data line
7 VIN Input voltage, place filter capacitor (22uF recommended) near this
pin.
8 VOUT Output voltage feedback
9(EPAD) GND Power and heat dissipation ground
5 IP Series Car Charger Products List
IC 型号 放电 电流 双 路 支持的协议 封装 DCP QC2.0 QC3.0 FCP SCP AFC MTK PE SFCP PD2.0 PD3.0 (PPS) 规格 兼 容 PIN2PIN PIN2PIN PIN2PIN IP6525T 18W - √ √ √ √ - √ - - - - ESOP8 PIN2PIN IP6518 45W - √ √ √ √ √ √ √ √ √ - QFN24 PIN2PIN PIN2PIN IP6527_C 27W - √ √ √ √ - √ √ - √ - QFN32
6 Absolute Maximum Ratings
Parameters Symbol Value Unit Input voltage VIN -0.3 ~ 48 V LX voltage VLX -0.3 ~ VIN+0.3 V DM/DP voltage VDM/DP -0.3 ~ 6 V VSP/VOUT voltage V VSP/VSN -0.3 ~ 28 V Junction temperature TJ -40 ~ 150 ℃ Storage temperature Tstg -60 ~ 150 ℃ Thermal resistance (junction to ambient) θJA 40 ℃/W Human body model (HBM) ESD 4 KV *Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to Absolute Maximum Rated conditions for extended periods may affect device reliability. *Voltages are referenced to GND unless otherwise noted.
7 Recommended Operating Conditions
Parameter Symbol Min. Typ. Max. Unit Input voltage VIN 10.5 12/24 32 V *Devices’ performance cannot be guaranteed when working beyond those Recommended Operating Conditions.
8 Electrical Characteristics
Unless otherwise specified, TA=25℃,L=22uH, VIN=12v, Vout=5v Parameter Symbol Test conditions Min. Typ. Max. Unit Input system Input voltage VIN 4.5 12 32 V Input under voltage threshold VIN-UV Rising voltage 4.5 V Falling voltage 4 V Input over voltage threshold VIN-OV Rising voltage 34 V Falling voltage 32 V Input quiescent current IQ VIN=12V, VOUT=5V@0A 2 mA Power switch system Hi-side MOSFET on resistance RDS(ON) 50 mΩ
on resistance RDS(ON) 40 mΩ Switch frequency FS 200 KHz Maximum duty ratio Dmax 100 % Output system Output voltage VOUT 3 5 12 V Output voltage ripple ΔVOUT VIN=12V, VOUT=5V@3A 120 mV VIN=12V, VOUT=9V@2A 120 mV VIN=24V, VOUT=12V@1.5A 120 mV Soft start time TSS VIN=12V, VOUT=5V 10 ms Output line compensate voltage VCOMP VIN=12V, VOUT=5V, IOUT=1A 50 mV Max current of output CC mode IOUT VIN=12V, VOUT<=4V 3.6 A VIN=12V, 4V<VOUT<=5V 3.6 A VIN=12V, 5V<VOUT<=7V 3 A VIN=12V, 7V<VOUT<=9V 2.5 A VIN=24V, 9V<VOUT<=12V 2 A Output hiccup restart voltage VOUT When output enters CC mode, output hiccup restart voltage 2.7 V Thermal shutdown temperature TOTP Rising temperature 140 ℃ Thermal shutdown hysteresis ΔTOTP 40 ℃
9 Function Description
Synchronized switch buck regulator IP6505 integrate a synchronized switch buck regulator, input voltage ranges from 4.5V to 32V and output from 3V to 12V, maximum output current if 4A. The frequency of the switch is 200kHz. When VIN=12V, VOUT=5V@3A, the power conversion efficiency is 93%. IP6505 can recognize the accessed fast charge standard and adjust the output voltage automatically. IP6505 support soft start, in avoidance of the inrush current during start up, and the soft start time is 10ms. Figure 3 IP6505 Efficiency Curve Figure 4 IP6505 Output Voltage Curve
Output voltage line compensate IP6505 support output line compensate, output voltage will increase 50mV as output current increase 1A. Output CV/CC characteristic IP6505 support output CV/CC, when the output current is low er than the preset value, output is CV mode with constant output voltage; while the output current is higher than the preset value, output is CC mode. Protection IP6505 detect the VIN voltage and enters standby mode when VIN is lower than 4V, the output wi ll be shut down during standby mode. IP6505 support input overvoltage protection; when VIN is above 34V, an overvoltage will be determined output will be shut down; IP6505 will reckon a normal working state and turn on the output only when VIN falls under 32V. IP6505 support output under voltage protection; IP6505 will enter under voltage state when the VOUT is under 2.7V and shut down the output, after 2sec turn on the output with hiccup. IP6505 support output short circuit protection, 4ms after start up, if VOUT is lower than 2 .7V, output short circuit is determined and output will be shut down. IP6505 support over temperature, when the chip temperature is higher than 140 ℃, the output will be shut down; IP6505 will reckon a normal working state and turn on the output only when the temperature falls under 100℃. Output fast charge standard IP65050 support several Fast charge output Support BC1.2, Apple, Samsung Support Qualcomm QC2.0, QC3.0 Support MTK PE+1.1 and MTK PE+2.0 Support Huawei Fast charge: FCP&SCP Support Samsung fast charge : AFC Support Spreadtrum fast charge : SFCP
10 Typical Application Schematic
Just with inductor, capacitor and resistor peripherals, can IP6505 realize a total solution of car charger. VOUT IP6505 ESOP8 SW VINSW ESOP8 4 5 DP NC BST DM VOUT DM DP 100uF 22uH 220uF 0.1uF 22uF10uF VIN 1.5~32V C1C2 C3C4C5 VOUT 3.3K VOUT 3.3KR2 1nF C1 solid capacitor to increase efficiency Vout discharge resistor, must be applied Indicator LED, apply if needed For EMI, C2=22uF For no EMI, C2=1uF Figure 5 Output application schematic
11 BOM List
No. Part Name Type Unit Num. Location Note
1 IC IP6505 PCS 1 U1
2 SMT resistor 0603 3.3K 5% PCS 1 R1, R2 R1 adjust indicator LED brightness 3 TC-220M-4.5 A-CS137125 22uH+/-20%, current 4.5A DCR<12mohm PCS 1 L1 3L Electronic
4 SMT
capacitor 0805 22uF 10% PCS 2 C2 Withstand voltage higher than 35V, SMT ceramic capacitor is recommended; Place near IC pin in PCB layout; Can be replaced by 1uF if no need for EMI.
5 SMT
capacitor 0805 10uF 10% PCS 1 C5 Withstand voltage higher than 16V
6 SMT LED 0603 PCS 1 D1
7 SMT
capacitor 0603 0.1uF 10% PCS 1 C3 Withstand voltage higher than 25V 8 electrolytic capacitor 110uF/35v PCS 1 C1 Withstand voltage higher than 35V C1 solid capacitor to increase efficiency 9 electrolytic capacitor 220uF/25v PCS 1 C4 Withstand voltage higher than 25V
10 SMT resistor 0603 2R 5% PCS 1 R3
11 SMT
capacitor 0603 1nF 10% PCS 1 C6 Withstand voltage higher than 10V
12 Fuse L2 PCS 1 L2 Current 4A
Inductor type recommend: TC-220M-4.5A-CS137125 3L product No. Inductance (uH) Tolerance DC Resistance (mΩ) Heat Rating Current DC Amp. Saturation Current DC Amps. Measuring Condition Typ. Max. Idc(A)Max. Isat(A)Max. TC-220M-4.5A-CS137 125 22.0 ±20% 12 14 4.5 8
A -- -- 1.65 A1 0.05 -- 0.15 A2 1.30 1.40 1.50 A3 0.60 0.65 0.70 b 0.39 -- 0.47 b1 0.38 0.41 0.44 c 0.20 -- 0.24 c1 0.19 0.20 0.21 D 4.80 4.90 5.00 E 5.80 6.00 6.20 E1 3.80 3.90 4.00 e 1.27BSC h 0.25 -- 0.50 L 0.50 0.60 0.80 L1 1.05REF θ 0 -- 8º D1 -- 3.10REF -- E2 -- 2.21REF --
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