bq25504电路图
VBAT_UV 计算器
欠压保护阈值
VBAT_UV = VBIAS_UV × (1 + Ruv2 / Ruv1)
2.2V ≤ VBAT_UV ≤ VBAT_OV
9MΩ ≤ Ruv1 + Ruv2 ≤ 11MΩ
VIN_DC ≥ 0.5V ，VSTOR ≥ 1.8V时
1.21V ≤ VBIAS ≤ 1.27V 典型值:1.25V
Ruv1 + Ruv2 =
10.0
MΩ
VBIAS =
V
Ruv1
MΩ
Ruv2
MΩ
VBAT_UV
V
3.03
VBAT_OV 计算器
过压保护阈值
VBAT_OV = 3/2 × VBIAS_OV × (1 + Rov2 / Rov1)
2.5V ≤ VBAT_UV ≤ 5.25V
VIN_DC ≥ 0.5V ，VSTOR ≥ 1.8V时
1.21V ≤ VBIAS ≤ 1.27V 典型值:1.25V
9MΩ ≤ Rov1 + Rov2 ≤ 11MΩ
Rov1 + Rov2 =
10.0
MΩ
VBIAS =
V
Rov1
MΩ
Rov2
MΩ
VBAT_OV
V
4.55