bd18353efv-凯发k8一触即发
车载用 1ch 大电流led控制器bd18353efv-m/muf-m是1ch led控制器。内置高边电流检测放大器。通过内置pwm生成电路，可以自由设定pwm调光duty。通过驱动外置p-ch mosfet实现了pwm调光。将led的异常状态输出到fault_b端子。内置双系统模拟调光。内置用于模拟调光及pwm调光设定的高精度3.0v输出电源。
主要规格
功能安全:
特性：
topology
boost
vin(min.)[v]
5
vin(max.)[v]
65
number of outputs
1
vout(max.)[v]
65
switching frequency (max.)[mhz]
2.5
dimming
dc / pwm
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
125
package size [mm]
6.5x6.4 (t=1)
common standard
aec-q100 (automotive grade)
特点：
- aec-q100 qualified (grade 1)
- rail-to-rail current sense amplifier
- pwm dimming signal generator
- over voltage protection (ovp)
- short circuit protection (scp)
- analog dimming (two systems)
- drl mode (100% duty) enable
- outputs abnormal led status (fault_b)
- spread spectrum frequency modulation on/off (ssfm_b)
reference design / application evaluation kit
-
- evaluation board - refled008-evk-001
1ch high current led controller, boost led driver for automotive (boost to vin led4pcs 1000ma nch to-252 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled008-evk-002
1ch high current led controller, boost led driver for automotive (boost to vin led4pcs 1000ma nch hplf5060 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled009-evk-001
1ch high current led controller, boost led driver for automotive (sepic led8pcs 750ma nch to-252 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled009-evk-002
1ch high current led controller, boost led driver for automotive (sepic led8pcs 750ma nch hplf5060 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled010-evk-001
1ch high current led controller, boost led driver for automotive (boost led12pcs 500ma nch to-252 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled010-evk-002
1ch high current led controller, boost led driver for automotive (boost led12pcs 500ma nch hplf5060 pch dfn2020)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled008-evk-003
1ch high current led controller, boost led driver for automotive (boost to vin led4pcs 1000ma nch to-252 pch hsmt8ag)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled008-evk-004
1ch high current led controller, boost led driver for automotive (boost to vin led4pcs 1000ma nch hplf5060 pch hsmt8ag)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled009-evk-003
1ch high current led controller, boost led driver for automotive (sepic led8pcs 750ma nch to-252 pch hsmt8ag)
| user's guide | schematic | part list | layout (cad data) |
|---|---|---|---|
-
- evaluation board - refled009-evk-004
1ch high current led controller, boost led driver for automotive (sepic led8pcs 750ma nch hplf5060 pch hsmt8ag)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled010-evk-003
1ch high current led controller, boost led driver for automotive (boost led12pcs 500ma nch to-252 pch hsmt8ag)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - refled010-evk-004
1ch high current led controller, boost led driver for automotive (boost led12pcs 500ma nch hplf5060 pch dfnhsmt8ag)
| user's guide | schematic | part list | layout (pdf) | layout (cad data) |
|---|---|---|---|---|
-
- evaluation board - bd18353efv-evk-001
this evaluation board was developed for rohm’s led driver bd18353efv-m. bd18353efv-m is a 1ch led controller. high side current detection amplifier is built-in. pwm dimming duty can be freely set with built-in pwm generation circuit. pwm dimming realizes by driving an external p-ch mosfet. outputs abnormal led status to the fault_b pin. two systems of analog dimming are built-in. high precision 3.0v output power supply for analog dimming and pwm dimming setting is built-in.
| user's guide |
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