bm2p014-凯发线上登陆下载网址
pwm type dc/dc converter ic included 650v mosfetac/dc用pwm方式dc/dc转换器bm2pxx4为所有存在插口的产品提供很好的系统。绝缘、非绝缘均可对应，可轻松设计各种形式的低功耗转换器。内置650v耐压启动电路，有助于实现低功耗。外接开关用电流检测电阻，可实现高自由度的电源设计。使用电流模式控制，进行逐周期电流限制，发挥带宽和瞬态响应的优异性能。开关频率固定为65khz。轻负载时降低频率，实现高效率。内置跳频功能，有助于实现低emi。内置650v耐压mosfet，设计简便。
本产品不建议使用于车载设备。
主要规格
特性：
fb olp
auto restart
br uvlo
no
external latch function
no
ac monitor function
no
vh terminal uvlo
no
frequency reduction function
yes
current detection resistors
external
over current detection voltage (typ.)[v]
0.4
dynamic over current detection
no
fet
integrated
controller type
pwm
vin1(min.)[v]
8.9
vin1(max.)[v]
26
withstand voltage [v]
650
sw frequency (max.)[khz]
65
vcc ovp
auto restart
br pin
no
on resistor (mosfet)[ω]
1.4
channel
1
light load mode
no
en
no
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
105
package size [mm]
9.27x6.35 (t=4.3)
特点：
・ pwm frequency : 65khz・ pwm current mode method
・ burst operation when load is light
・ frequency reduction function
・ built-in 650v start circuit
・ built-in 650v switching mosfet
・ vcc pin under voltage protection
・ vcc pin overvoltage protection
・ source pin open protection
・ source pin short protection
・ source pin leading-edge-blanking function
・ per-cycle over current protection circuit
・ soft start
・ secondary over current protection circuit
reference design / application evaluation kit
-
- reference design - refpdt001
- integrating battery charging algorithm, 2.5kw llc dcdc converter
the refpdt001 evk is a digital design platform for 2.5kw dc/dc convertor based on full bridge llc topology with an output 55v/ 45a with an input dc bus volatge of 380v. the evk supports battery charging alogrithm with constant voltage and constant curnt operation to be used with 48v lithum ion battery.
- constant current operation
- constant voltage operation
- output over voltage protection
- output over current protection
- reverse battery protection
- can communication
- rs485 communication
- lcd interface
